Base | Representation |
---|---|
bin | 1010001001111… |
… | …10000011000100 |
3 | 12221022001001220 |
4 | 11010332003010 |
5 | 133302020204 |
6 | 12241520340 |
7 | 2053043601 |
oct | 504760304 |
9 | 187261056 |
10 | 85188804 |
11 | 440a5678 |
12 | 246430b0 |
13 | 1485909c |
14 | b4576a8 |
15 | 772b1d9 |
hex | 513e0c4 |
85188804 has 24 divisors (see below), whose sum is σ = 198945600. Its totient is φ = 28371744.
The previous prime is 85188767. The next prime is 85188811. The reversal of 85188804 is 40888158.
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 7 ways as a sum of consecutive naturals, for example, 16297 + ... + 20879.
It is an arithmetic number, because the mean of its divisors is an integer number (8289400).
Almost surely, 285188804 is an apocalyptic number.
It is an amenable number.
85188804 is an abundant number, since it is smaller than the sum of its proper divisors (113756796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85188804 is a wasteful number, since it uses less digits than its factorization.
85188804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6139 (or 6137 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 42.
The square root of 85188804 is about 9229.7781121758. The cubic root of 85188804 is about 440.0082711944.
The spelling of 85188804 in words is "eighty-five million, one hundred eighty-eight thousand, eight hundred four".
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