Base | Representation |
---|---|
bin | 1010001010010… |
… | …10010010111010 |
3 | 12221101120212220 |
4 | 11011022102322 |
5 | 133310121340 |
6 | 12242544510 |
7 | 2053343055 |
oct | 505122272 |
9 | 187346786 |
10 | 85238970 |
11 | 4412a333 |
12 | 24668136 |
13 | 14875b7b |
14 | b46ba9c |
15 | 773aed0 |
hex | 514a4ba |
85238970 has 32 divisors (see below), whose sum is σ = 206055360. Its totient is φ = 22565760.
The previous prime is 85238963. The next prime is 85238983. The reversal of 85238970 is 7983258.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6051 + ... + 14390.
It is an arithmetic number, because the mean of its divisors is an integer number (6439230).
Almost surely, 285238970 is an apocalyptic number.
85238970 is an abundant number, since it is smaller than the sum of its proper divisors (120816390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85238970 is a wasteful number, since it uses less digits than its factorization.
85238970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20590.
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 85238970 is about 9232.4953289996. The cubic root of 85238970 is about 440.0946249656.
The spelling of 85238970 in words is "eighty-five million, two hundred thirty-eight thousand, nine hundred seventy".
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