Base | Representation |
---|---|
bin | 1010001110100… |
… | …00010100100000 |
3 | 12222102110220222 |
4 | 11013100110200 |
5 | 133430203221 |
6 | 12302422212 |
7 | 2061120413 |
oct | 507202440 |
9 | 188373828 |
10 | 85787936 |
11 | 44474823 |
12 | 24891968 |
13 | 14a089c0 |
14 | b571b7a |
15 | 77e89ab |
hex | 51d0520 |
85787936 has 24 divisors (see below), whose sum is σ = 181887804. Its totient is φ = 39594240.
The previous prime is 85787929. The next prime is 85787957. The reversal of 85787936 is 63978758.
It can be written as a sum of positive squares in 2 ways, for example, as 85451536 + 336400 = 9244^2 + 580^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102695 + ... + 103526.
Almost surely, 285787936 is an apocalyptic number.
It is an amenable number.
85787936 is an abundant number, since it is smaller than the sum of its proper divisors (96099868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85787936 is a wasteful number, since it uses less digits than its factorization.
85787936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206244 (or 206236 counting only the distinct ones).
The product of its digits is 2540160, while the sum is 53.
The square root of 85787936 is about 9262.1777136913. The cubic root of 85787936 is about 441.0373869438.
The spelling of 85787936 in words is "eighty-five million, seven hundred eighty-seven thousand, nine hundred thirty-six".
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