A062040 Positive numbers whose product of digits is 8 times their sum.

448, 456, 465, 484, 546, 564, 645, 654, 844, 1368, 1386, 1449, 1494, 1638, 1683, 1836, 1863, 1944, 2248, 2256, 2265, 2284, 2428, 2482, 2526, 2562, 2625, 2652, 2824, 2842, 3168, 3186, 3618, 3681, 3816, 3861, 4149, 4194, 4228, 4282, 4419, 4491, 4822

Offset

1,1

Links

Harry J. Smith, Table of n, a(n) for n = 1..500

Example

2248 belongs to the sequence as (2*2*4*8)/(2+2+4+8) = 128/16 = 8.

Prog

(PARI) isok(n) = my(d=digits(n)); vecprod(d)==8*vecsum(d) \\ Mohammed Yaseen, Sep 11 2022

Crossrefs

Cf. A011540, A034710, A062034, A062035, A062036, A062382, A062037, A062384, A062041, A062043, A062045.

Sequence in context: A203960 A147628 A153486 * A093786 A251646 A235177

Adjacent sequences: A062037 A062038 A062039 * A062041 A062042 A062043

Keyword

nonn,base,easy

Author

Amarnath Murthy, Jun 28 2001

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jul 06 2001

Offset corrected by Mohammed Yaseen, Sep 11 2022

Status

approved