15333
13+53+33=1+125+27=153
31533
153=13+53+33
33703714073
370=33+73+03
371=33+73+13
407=43+03+73
44163444
1634=14+64+34+44
56789
54748=55+45+75+45+85
548834=56+46+86+86+36+46
1741725=17+77+47+17+77+27+57
24678051=28+48+68+78+88+08+58+18
146511208=19+49+69+59+19+19+29+09+89
10
4679307774=410+610+710+910+310
+010+710+710+710+410
( Apsimon) 1046793077741010( Randle) 3 9
powerful number