Base | Representation |
---|---|
bin | 1101110100110… |
… | …1110111010100 |
3 | 11001010020011110 |
4 | 3131031313110 |
5 | 104321144422 |
6 | 5430535020 |
7 | 1302624561 |
oct | 335156724 |
9 | 131106143 |
10 | 57990612 |
11 | 2a809229 |
12 | 17507470 |
13 | c025494 |
14 | 79b7868 |
15 | 515760c |
hex | 374ddd4 |
57990612 has 12 divisors (see below), whose sum is σ = 135311456. Its totient is φ = 19330200.
The previous prime is 57990601. The next prime is 57990631. The reversal of 57990612 is 21609975.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×579906122 = 6725822160269088, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416264 + ... + 2416287.
Almost surely, 257990612 is an apocalyptic number.
It is an amenable number.
57990612 is an abundant number, since it is smaller than the sum of its proper divisors (77320844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57990612 is a wasteful number, since it uses less digits than its factorization.
57990612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4832558 (or 4832556 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 57990612 is about 7615.1567285250. The cubic root of 57990612 is about 387.0667779991.
The spelling of 57990612 in words is "fifty-seven million, nine hundred ninety thousand, six hundred twelve".
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