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A101701 Numbers n such that n = sum of the reversals of divisors of n. +0
2
1, 207321, 890827, 7591023, 18368601 (list; graph; listen)
OFFSET

1,2

COMMENT

Next term is greater than 37*10^7.

EXAMPLE

18368601 is in the sequence because divisors of 18368601

are: 1,3,6122867,18368601 and 18368601=1+3+7682216+10686381.

MATHEMATICA

Do[h = Divisors[n]; l = Length[h]; If[n == Sum[ FromDigits[Reverse[IntegerDigits[h[[k]]]]], {k, l}], Print[n]], {n, 370000000}]

CROSSREFS

Cf. A069942, A072228.

Adjacent sequences: A101698 A101699 A101700 this_sequence A101702 A101703 A101704

Sequence in context: A036319 A115946 A082176 this_sequence A092011 A072679 A015376

KEYWORD

base,more,nonn

AUTHOR

Farideh Firoozbakht (f.firoozbakht(AT)math.ui.ac.ir), Dec 23 2004

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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