Base | Representation |
---|---|
bin | 1101100101111… |
… | …1001010110000 |
3 | 10222021120000100 |
4 | 3121133022300 |
5 | 104043403122 |
6 | 5353552400 |
7 | 1261413255 |
oct | 331371260 |
9 | 128246010 |
10 | 57012912 |
11 | 2a200710 |
12 | 17115700 |
13 | ba72468 |
14 | 780142c |
15 | 5012aac |
hex | 365f2b0 |
57012912 has 60 divisors (see below), whose sum is σ = 174066984. Its totient is φ = 17276160.
The previous prime is 57012899. The next prime is 57012941. The reversal of 57012912 is 21921075.
57012912 is a `hidden beast` number, since 570 + 1 + 2 + 91 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16413 + ... + 19580.
Almost surely, 257012912 is an apocalyptic number.
It is an amenable number.
57012912 is an abundant number, since it is smaller than the sum of its proper divisors (117054072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57012912 is a wasteful number, since it uses less digits than its factorization.
57012912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36018 (or 36009 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 57012912 is about 7550.6895049393. The cubic root of 57012912 is about 384.8791704931.
Adding to 57012912 its reverse (21921075), we get a palindrome (78933987).
The spelling of 57012912 in words is "fifty-seven million, twelve thousand, nine hundred twelve".
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