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A140174
Numbers n such that n=pi(n)*sum of the digits of n.
1
0, 2, 30, 1122, 24300
OFFSET
1,2
COMMENTS
This sequence is a subsequence of A057809. There is no further term up to 16*10^6.
a(6) > 1.4*10^22, if it exists. - Giovanni Resta, Aug 31 2018
EXAMPLE
24300=pi(24300)*(2+4+3+0+0).
MATHEMATICA
Select[Range[0, 25000], PrimePi[#]Total[IntegerDigits[#]]==#&] (* Harvey P. Dale, Feb 13 2023 *)
CROSSREFS
Sequence in context: A322624 A338044 A350719 * A246741 A089016 A364504
KEYWORD
base,more,nonn
AUTHOR
Farideh Firoozbakht, May 15 2008
STATUS
approved