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A109660
Numbers n such that the sum of the digits of n^phi(n) is divisible by n.
+0
1
1, 2, 3, 7, 9, 15, 18, 27, 52, 72, 261, 360, 400, 3932, 4418, 7046, 7938, 8888, 9162, 9363, 9606, 9738, 10083, 10809, 11970, 13958, 23571, 28384, 42159, 51515
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
AT&T Labs Research
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