435472

This number is a composite.

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435472 = sigma(prime(4)*4! + prime(3)*3! + prime(5)*5! + prime(4)*4! + prime(7)*7! + prime(2)*2!). Note that 435472 is the smallest number with this property. [Firoozbakht]

Submitted: 2004-09-02 12:11:41;   Last Modified: 2008-01-30 11:28:00.
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