Base | Representation |
---|---|
bin | 1010001001010… |
… | …10001000100100 |
3 | 12221010220011212 |
4 | 11010222020210 |
5 | 133241412421 |
6 | 12240050552 |
7 | 2052254024 |
oct | 504521044 |
9 | 187126155 |
10 | 85107236 |
11 | 4404a365 |
12 | 24603a58 |
13 | 1482ac16 |
14 | b435a84 |
15 | 7711e5b |
hex | 512a224 |
85107236 has 12 divisors (see below), whose sum is σ = 157698828. Its totient is φ = 40050432.
The previous prime is 85107233. The next prime is 85107259. The reversal of 85107236 is 63270158.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 71740900 + 13366336 = 8470^2 + 3656^2 .
It is not an unprimeable number, because it can be changed into a prime (85107233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625721 + ... + 625856.
It is an arithmetic number, because the mean of its divisors is an integer number (13141569).
Almost surely, 285107236 is an apocalyptic number.
It is an amenable number.
85107236 is a deficient number, since it is larger than the sum of its proper divisors (72591592).
85107236 is a wasteful number, since it uses less digits than its factorization.
85107236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251598 (or 1251596 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 85107236 is about 9225.3583128245. The cubic root of 85107236 is about 439.8677908569.
The spelling of 85107236 in words is "eighty-five million, one hundred seven thousand, two hundred thirty-six".
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