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22867524 (just those submitted by Firoozbakht) |
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Just showing those entries submitted by 'Firoozbakht': (Click here to show all) 
22867524 =  (2!+2!+8!+6!+7!+5!+2!+4!)^2. It is the largest
and second natural number with this property. [Firoozbakht]
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