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9085556428 = 2213612864299
BaseRepresentation
bin10000111011000101…
…01001011011001100
3212110012002002100221
420131202221123030
5122101400301203
64101315001124
7441101645464
oct103542513314
925405062327
109085556428
113942618023
1219168991a4
13b1a4077c0
14622926ba4
1538297babd
hex21d8a96cc

9085556428 has 24 divisors (see below), whose sum is σ = 17403486800. Its totient is φ = 4124589120.

The previous prime is 9085556419. The next prime is 9085556471. The reversal of 9085556428 is 8246555809.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428978 + ... + 1435321.

Almost surely, 29085556428 is an apocalyptic number.

It is an amenable number.

9085556428 is a deficient number, since it is larger than the sum of its proper divisors (8317930372).

9085556428 is a wasteful number, since it uses less digits than its factorization.

9085556428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864377 (or 2864375 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 52.

The square root of 9085556428 is about 95318.1851904452. The cubic root of 9085556428 is about 2086.6543258306.

The spelling of 9085556428 in words is "nine billion, eighty-five million, five hundred fifty-six thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 61 122 244 793 1586 3172 2864299 5728598 11457196 37235887 74471774 148943548 174722239 349444478 698888956 2271389107 4542778214 9085556428