Base | Representation |
---|---|
bin | 1010001110111… |
… | …10111101001000 |
3 | 12222112112011010 |
4 | 11013132331020 |
5 | 133434113010 |
6 | 12304003520 |
7 | 2061460236 |
oct | 507367510 |
9 | 188475133 |
10 | 85847880 |
11 | 44505868 |
12 | 249005a0 |
13 | 14a2a081 |
14 | b589956 |
15 | 780b620 |
hex | 51def48 |
85847880 has 64 divisors (see below), whose sum is σ = 258168960. Its totient is φ = 22837248.
The previous prime is 85847857. The next prime is 85847893. The reversal of 85847880 is 8874858.
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, 80229 + ... + 81291.
It is an arithmetic number, because the mean of its divisors is an integer number (4033890).
Almost surely, 285847880 is an apocalyptic number.
It is an amenable number.
85847880 is an abundant number, since it is smaller than the sum of its proper divisors (172321080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85847880 is a wasteful number, since it uses less digits than its factorization.
85847880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750 (or 1746 counting only the distinct ones).
The product of its (nonzero) digits is 573440, while the sum is 48.
The square root of 85847880 is about 9265.4131046597. The cubic root of 85847880 is about 441.1400874362.
The spelling of 85847880 in words is "eighty-five million, eight hundred forty-seven thousand, eight hundred eighty".
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