Base | Representation |
---|---|
bin | 1010001010010… |
… | …10010110010010 |
3 | 12221101121011220 |
4 | 11011022112102 |
5 | 133310123221 |
6 | 12242545510 |
7 | 2053343514 |
oct | 505122622 |
9 | 187347156 |
10 | 85239186 |
11 | 4412a50a |
12 | 24668296 |
13 | 14875cb6 |
14 | b46bbb4 |
15 | 773b0c6 |
hex | 514a592 |
85239186 has 8 divisors (see below), whose sum is σ = 170478384. Its totient is φ = 28413060.
The previous prime is 85239169. The next prime is 85239221. The reversal of 85239186 is 68193258.
It is a sphenic number, since it is the product of 3 distinct primes.
85239186 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103260 + ... + 7103271.
It is an arithmetic number, because the mean of its divisors is an integer number (21309798).
Almost surely, 285239186 is an apocalyptic number.
85239186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85239186 is a wasteful number, since it uses less digits than its factorization.
85239186 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14206536.
The product of its digits is 103680, while the sum is 42.
The square root of 85239186 is about 9232.5070268048. The cubic root of 85239186 is about 440.0949967062.
The spelling of 85239186 in words is "eighty-five million, two hundred thirty-nine thousand, one hundred eighty-six".
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