Harshad number

== English == === Etymology === Coined by Indian recreational mathematician D. R. Kaprekar, from Sanskrit हर्षद (harṣada, “giving joy”). The capitalization is likely based on mathematicians' incorrect assumption that harshad is a proper noun. === Noun === Harshad number (plural Harshad numbers) (mathematics) A positive integer which is divisible by the sum of all of its digits. Synonym: Niven number ==== Translations ==== === Further reading === Harshad number on Wikipedia.Wikipedia