Base | Representation |
---|---|
bin | 1010001001110… |
… | …01001000010000 |
3 | 12221021000102200 |
4 | 11010321020100 |
5 | 133300344111 |
6 | 12241243200 |
7 | 2052631056 |
oct | 504711020 |
9 | 187230380 |
10 | 85168656 |
11 | 44091521 |
12 | 24633500 |
13 | 1484cb71 |
14 | b4501d6 |
15 | 7725256 |
hex | 5139210 |
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".
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