Base | Representation |
---|---|
bin | 1010001001010… |
… | …00111001101001 |
3 | 12221010122020210 |
4 | 11010220321221 |
5 | 133241232220 |
6 | 12240011333 |
7 | 2052233220 |
oct | 504507151 |
9 | 187118223 |
10 | 85102185 |
11 | 44046593 |
12 | 24600b49 |
13 | 1482882c |
14 | b433cb7 |
15 | 77106e0 |
hex | 5128e69 |
85102185 has 64 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 36791040.
The previous prime is 85102181. The next prime is 85102189. The reversal of 85102185 is 58120158.
It is an interprime number because it is at equal distance from previous prime (85102181) and next prime (85102189).
It is not a de Polignac number, because 85102185 - 22 = 85102181 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85102181) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316231 + ... + 316499.
It is an arithmetic number, because the mean of its divisors is an integer number (2566080).
Almost surely, 285102185 is an apocalyptic number.
It is an amenable number.
85102185 is a deficient number, since it is larger than the sum of its proper divisors (79126935).
85102185 is a wasteful number, since it uses less digits than its factorization.
85102185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438.
The product of its (nonzero) digits is 3200, while the sum is 30.
The square root of 85102185 is about 9225.0845524580. The cubic root of 85102185 is about 439.8590888308.
The spelling of 85102185 in words is "eighty-five million, one hundred two thousand, one hundred eighty-five".
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