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85168656 = 24323119079
BaseRepresentation
bin1010001001110…
…01001000010000
312221021000102200
411010321020100
5133300344111
612241243200
72052631056
oct504711020
9187230380
1085168656
1144091521
1224633500
131484cb71
14b4501d6
157725256
hex5139210

85168656 has 60 divisors (see below), whose sum is σ = 246055680. Its totient is φ = 27472320.

The previous prime is 85168649. The next prime is 85168661. The reversal of 85168656 is 65686158.

85168656 is a `hidden beast` number, since 8 + 516 + 86 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5076 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (4100928).

Almost surely, 285168656 is an apocalyptic number.

It is an amenable number.

85168656 is an abundant number, since it is smaller than the sum of its proper divisors (160887024).

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

85168656 is a wasteful number, since it uses less digits than its factorization.

85168656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124 (or 19115 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 85168656 is about 9228.6865804404. The cubic root of 85168656 is about 439.9735796808.

The spelling of 85168656 in words is "eighty-five million, one hundred sixty-eight thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 1116 1488 2232 4464 19079 38158 57237 76316 114474 152632 171711 228948 305264 343422 457896 591449 686844 915792 1182898 1373688 1774347 2365796 2747376 3548694 4731592 5323041 7097388 9463184 10646082 14194776 21292164 28389552 42584328 85168656