Base | Representation |
---|---|
bin | 1010001111100… |
… | …10110101000101 |
3 | 12222200122211010 |
4 | 11013302311011 |
5 | 133444214120 |
6 | 12305432433 |
7 | 2062246461 |
oct | 507626505 |
9 | 188618733 |
10 | 85929285 |
11 | 44560a42 |
12 | 2493b719 |
13 | 14a58140 |
14 | b5ab4a1 |
15 | 78257e0 |
hex | 51f2d45 |
85929285 has 32 divisors (see below), whose sum is σ = 149563008. Its totient is φ = 41875200.
The previous prime is 85929251. The next prime is 85929289. The reversal of 85929285 is 58292958.
It is not a de Polignac number, because 85929285 - 27 = 85929157 is a prime.
It is a super-2 number, since 2×859292852 = 14767684041222450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85929289) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17514 + ... + 21876.
It is an arithmetic number, because the mean of its divisors is an integer number (4673844).
Almost surely, 285929285 is an apocalyptic number.
It is an amenable number.
85929285 is a deficient number, since it is larger than the sum of its proper divisors (63633723).
85929285 is a wasteful number, since it uses less digits than its factorization.
85929285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4485.
The product of its digits is 518400, while the sum is 48.
The square root of 85929285 is about 9269.8050141306. The cubic root of 85929285 is about 441.2794799833.
The spelling of 85929285 in words is "eighty-five million, nine hundred twenty-nine thousand, two hundred eighty-five".
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