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90113556 = 223132919919
BaseRepresentation
bin1010101111100…
…00011000010100
320021120020120010
411113300120110
5141032113211
612535240220
72142644511
oct527603024
9207506503
1090113556
1146959715
1226219070
1315891840
14bd7a308
157da04a6
hex55f0614

90113556 has 48 divisors (see below), whose sum is σ = 234259200. Its totient is φ = 26769792.

The previous prime is 90113539. The next prime is 90113579. The reversal of 90113556 is 65531109.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5436 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (4880400).

Almost surely, 290113556 is an apocalyptic number.

It is an amenable number.

90113556 is an abundant number, since it is smaller than the sum of its proper divisors (144145644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90113556 is a wasteful number, since it uses less digits than its factorization.

90113556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968 (or 19966 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 90113556 is about 9492.8160205494. The cubic root of 90113556 is about 448.3288733666.

The spelling of 90113556 in words is "ninety million, one hundred thirteen thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1131 1508 2262 4524 19919 39838 59757 79676 119514 239028 258947 517894 577651 776841 1035788 1155302 1553682 1732953 2310604 3107364 3465906 6931812 7509463 15018926 22528389 30037852 45056778 90113556