Question

Write a program to accept a number and check and display whether it is a Niven number of not.

(Niven number is that number which is divisible by its sum of digits).

Example: Consider the number 126. Sum of its digits is 1 + 2 + 6 = 9 and 126 is divisible by 9.

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Code

				
					import java.util.Scanner;

public class program8
{
	public static void main(String[] args)
	{
	    int num=0,rem=0,temp=0,sumOfDigits=0;
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter a number: ");
		num = sc.nextInt();
		sumOfDigits = 0;
		temp = num;
		while (temp > 0)
		{
			rem = temp % 10;
			temp = temp / 10;
			sumOfDigits = sumOfDigits + rem;
		}
		if (num % sumOfDigits == 0)
		{
			System.out.println(num+" is a Niven number");
		}
		else 
		{
			System.out.println(num +" is Not a niven number");
		}
	}
}