477

This number is a composite.

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477 = 89 + 83 + 67 + 61 + 53 + 47 + 41 + 29 + 5 + 2 . It's the smallest number which is sum of different primes by using twice all the digits greater than zero. [Capelle]

Submitted: 2003-06-28 11:30:15; Last Modified: 2008-01-30 17:28:00.