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A175758 Numbers n with property that arithmetic mean of its digits is both an integer and one of the prime factors of n. 0
2, 3, 5, 7, 15, 22, 24, 33, 40, 42, 51, 55, 60, 77, 108, 114, 117, 126, 132, 135, 144, 150, 153, 162, 171, 180, 195, 204, 207, 216, 222, 225, 234, 240, 243, 252, 261, 270, 285, 306, 312, 315, 324, 330, 333, 342, 351, 360, 375, 399, 402, 405, 414, 420, 423, 432 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

15 is in the list because (1+5)/2=3 and 3 is a prime factor of 15.

CROSSREFS

Cf. A027746, A175688.

Sequence in context: A303875 A228652 A157833 * A151531 A079987 A085547

Adjacent sequences:  A175755 A175756 A175757 * A175759 A175760 A175761

KEYWORD

nonn,base

AUTHOR

Juri-Stepan Gerasimov, Aug 28 2010, Aug 29 2010

EXTENSIONS

399 inserted by D. S. McNeil, Sep 27 2010

STATUS

approved

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Last modified November 22 10:59 EST 2019. Contains 329389 sequences. (Running on oeis4.)