Base | Representation |
---|---|
bin | 1010001111100… |
… | …11001010100000 |
3 | 12222200201200220 |
4 | 11013303022200 |
5 | 133444240111 |
6 | 12305443040 |
7 | 2062253460 |
oct | 507631240 |
9 | 188621626 |
10 | 85930656 |
11 | 44561a79 |
12 | 24940480 |
13 | 14a58956 |
14 | b5abba0 |
15 | 7825e06 |
hex | 51f32a0 |
85930656 has 48 divisors (see below), whose sum is σ = 257793984. Its totient is φ = 24551424.
The previous prime is 85930589. The next prime is 85930693. The reversal of 85930656 is 65603958.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 63265 + ... + 64608.
It is an arithmetic number, because the mean of its divisors is an integer number (5370708).
Almost surely, 285930656 is an apocalyptic number.
It is an amenable number.
85930656 is an abundant number, since it is smaller than the sum of its proper divisors (171863328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85930656 is a wasteful number, since it uses less digits than its factorization.
85930656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127893 (or 127885 counting only the distinct ones).
The product of its (nonzero) digits is 194400, while the sum is 42.
The square root of 85930656 is about 9269.8789636111. The cubic root of 85930656 is about 441.2818268392.
The spelling of 85930656 in words is "eighty-five million, nine hundred thirty thousand, six hundred fifty-six".
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