Harshad number
In mathematics, a harshad number (also known as a Niven number) is an integer that is divisible by the sum of its digits in a given base. A harshad number in base n is called an n-harshad number.
In mathematics, a harshad number (also known as a Niven number) is an integer that is divisible by the sum of its digits in a given base. A harshad number in base n is called an n-harshad number.