Advertisements
Advertisements
Question
Write a program to accept a number and check and display whether it is a Niven number or not.
(Niven number is that number which is divisible by its sum of digits).
Example:
Consider the number 126.
The Sum of its digits is 1+2+6 = 9 and 126 is divisible by 9.
Advertisements
Solution
class test
{
public static void main (int n)
{
int s = 0, R;
int c = n;
while (n! = 0)
{
R = n%10;
s = s + R;
n = n/10;
}
if (c%s == 0)
System.out.println ("it is Niven number");
else
System.out.println ("It is Not a Niven No.");
}
}
APPEARS IN
RELATED QUESTIONS
Write the memory capacity (storage size) of short and float data type in bytes.
Differentiate between if else if and switch-case statements.
State the data type and value of res after the following is executed :
char ch = ‘9’;
res = Character. isDigit(ch)
State the number of bytes occupied by char and int data types.
State the data type and value of res after the following is executed:
char ch = ‘t’;
res=Character. toUpperCase(ch);
int res = ‘A’;
What is the value of res?
Write the return data type of the following function:
log( )
What will be the output when the following code segment is executed?
System.out.println(“The king said\”Begin at the beginning!\“to me.”);
Predict the output of the following code snippet:
char ch='B';
char chr=Character.toLowerCase(ch);
int n=(int)chr-10;
System.out.println((char)n+"\t"+chr);
A student is trying to convert the string present in x to a numerical value, so that he can find the square root of the converted value, However the code has an error. Name the error (syntax/logical/runtime). Correct the code so that it compiles and runs correctly.
String x="25";
int y=Double.parseDouble(x);
double r=Math.sqrt(y);
System.out.println(r);