84631

This number is a prime.

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The largest known prime such that removing the right-most digit leaves you with a right-truncatable positive integer which is divisible by the sum of its digits in base ten. Such integers are called Harshad (or Niven) numbers. [Earls]

Submitted: 2004-08-28 13:38:41; Last Modified: 2009-03-04 14:26:28.