Base | Representation |
---|---|
bin | 1101100111011… |
… | …1100001101000 |
3 | 10222110121212110 |
4 | 3121313201220 |
5 | 104110101210 |
6 | 5400042320 |
7 | 1262310162 |
oct | 331674150 |
9 | 128417773 |
10 | 57112680 |
11 | 2a269669 |
12 | 171633a0 |
13 | baa89b1 |
14 | 7829932 |
15 | 5032420 |
hex | 3677868 |
57112680 has 64 divisors (see below), whose sum is σ = 178796160. Its totient is φ = 14567168.
The previous prime is 57112669. The next prime is 57112709. The reversal of 57112680 is 8621175.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 7587 + ... + 13106.
It is an arithmetic number, because the mean of its divisors is an integer number (2793690).
Almost surely, 257112680 is an apocalyptic number.
It is an amenable number.
57112680 is an abundant number, since it is smaller than the sum of its proper divisors (121683480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57112680 is a wasteful number, since it uses less digits than its factorization.
57112680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20730 (or 20726 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 57112680 is about 7557.2931662071. The cubic root of 57112680 is about 385.1035421738.
The spelling of 57112680 in words is "fifty-seven million, one hundred twelve thousand, six hundred eighty".
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