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A118720 Cubes which are divisible by the sum of their digits. 3
1, 8, 27, 216, 512, 1000, 1728, 4913, 5832, 8000, 13824, 17576, 19683, 27000, 35937, 46656, 59319, 64000, 74088, 110592, 125000, 157464, 185193, 216000, 287496, 314432, 328509, 343000, 373248, 421875, 474552, 512000, 592704, 658503, 729000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Intersection of A000578 and A005349. - Robert Israel, Jun 27 2017

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

EXAMPLE

4913 is in the sequence because it is a cube, the sum of its digits is 4+9+1+3=17 and 4913 is divisible by 17.

MAPLE

select(t -> t mod convert(convert(t, base, 10), `+`) = 0, map(t -> t^3, [$1..100])); # Robert Israel, Jun 28 2017

MATHEMATICA

Select[Range[100]^3, Divisible[#, Total[IntegerDigits[#]]]&]  (* Harvey P. Dale, Apr 25 2011 *)

PROG

(PARI) isok(n) = ispower(n, 3) && ((n % sumdigits(n)) == 0); \\ Michel Marcus, Jun 28 2017

CROSSREFS

Cf. A000578, A005349, A118547.

Sequence in context: A066963 A067813 A304769 * A197620 A029786 A029792

Adjacent sequences:  A118717 A118718 A118719 * A118721 A118722 A118723

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), May 21 2006

STATUS

approved

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Last modified September 15 22:10 EDT 2019. Contains 327088 sequences. (Running on oeis4.)