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# Multiple Harshad Number in Java

A Multiple Harshad number is an integer which when divided by the sum of its digits, produces another Harshad number.

For example, consider the number 6804.
6 + 8 + 0 + 4 = 18.
6804 / 18 = 378
3 + 7 + 8 = 18
1 + 8 = 9.
18 / 9 = 2.
So, 6804 is a Multiple Harshad number.

A Harshad number is an integer which is divisible by the sum of its digits. It is also known as a Niven number.

For example, 18 is a Harshad number, because 1 + 8 = 9, which divides 18.

Write a program in Java to enter a number and check if it is a Multiple Harshad number.

``````import java.io.*;
public static void main(String args[])throws IOException{
System.out.print("Enter the number: ");
int s = sumOfDigits(n);
if(n % s == 0){
int num = n / s;
int sum = sumOfDigits(num);
if(num % sum == 0)
System.out.println(n + " is a Multiple Harshad number.");
else
System.out.println(n + " is not a Multiple Harshad number.");
}
else
System.out.println(n + " is not a Multiple Harshad number.");
}
public static int sumOfDigits(int n){
int sum = 0;
for(int i = n; i != 0; i /= 10)
sum += i % 10;
return sum;
}
}``````