47

This number is a prime.

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The sum of the first 47 positive integers with digits in strictly ascending order is divisible by 47 (2350/47=50). The next and largest such prime is 383 (1848741/383=4827). [Gaydos]

Submitted: 2019-01-03 00:13:39;   Last Modified: 2019-01-03 06:38:46.
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