Base | Representation |
---|---|
bin | 1101101000101… |
… | …1010101101100 |
3 | 10222121202012020 |
4 | 3122023111230 |
5 | 104120200321 |
6 | 5401510140 |
7 | 1263065610 |
oct | 332132554 |
9 | 128552166 |
10 | 57193836 |
11 | 2a314637 |
12 | 171a2350 |
13 | bb0690b |
14 | 784b340 |
15 | 504b4c6 |
hex | 368b56c |
57193836 has 24 divisors (see below), whose sum is σ = 152517120. Its totient is φ = 16341072.
The previous prime is 57193789. The next prime is 57193841. The reversal of 57193836 is 63839175.
It is a super-2 number, since 2×571938362 = 6542269752789792, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340356 + ... + 340523.
It is an arithmetic number, because the mean of its divisors is an integer number (6354880).
Almost surely, 257193836 is an apocalyptic number.
It is an amenable number.
57193836 is an abundant number, since it is smaller than the sum of its proper divisors (95323284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57193836 is a wasteful number, since it uses less digits than its factorization.
57193836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680893 (or 680891 counting only the distinct ones).
The product of its digits is 136080, while the sum is 42.
The square root of 57193836 is about 7562.6606429219. The cubic root of 57193836 is about 385.2858640402.
The spelling of 57193836 in words is "fifty-seven million, one hundred ninety-three thousand, eight hundred thirty-six".
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