login
Numbers n which are divisible by (2*s(n)+ 1), where s(n) = sum of digits of n.
0

%I #2 Mar 31 2012 23:00:44

%S 17,20,21,75,92,110,170,171,186,200,210,312,323,342,464,465,506,513,

%T 525,665,666,713,725,744,750,920,980,1010,1014,1026,1100,1127,1131,

%U 1241,1247,1295,1334,1425,1508,1541,1581,1598,1650,1665,1677,1700,1710,1860

%N Numbers n which are divisible by (2*s(n)+ 1), where s(n) = sum of digits of n.

%C z-Niven numbers : numbers n which are divisible by (A*s(n)+ B) A,B are integers s(n)... sum of digits of n Niven numbers have A=1, B=0.

%Y Cf. A005349.

%K nonn,base

%O 1,1

%A _Ctibor O. Zizka_, Jan 22 2008