Base | Representation |
---|---|
bin | 1101100111110… |
… | …1101010111111 |
3 | 10222111220101212 |
4 | 3121331222333 |
5 | 104111402410 |
6 | 5400355035 |
7 | 1262443445 |
oct | 331755277 |
9 | 128456355 |
10 | 57137855 |
11 | 2a286575 |
12 | 17175a7b |
13 | bab72a8 |
14 | 7834b95 |
15 | 5039b05 |
hex | 367dabf |
57137855 has 8 divisors (see below), whose sum is σ = 68746752. Its totient is φ = 45589408.
The previous prime is 57137849. The next prime is 57137897. The reversal of 57137855 is 55873175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57137855 - 26 = 57137791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13004 + ... + 16833.
It is an arithmetic number, because the mean of its divisors is an integer number (8593344).
Almost surely, 257137855 is an apocalyptic number.
57137855 is a deficient number, since it is larger than the sum of its proper divisors (11608897).
57137855 is a wasteful number, since it uses less digits than its factorization.
57137855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30225.
The product of its digits is 147000, while the sum is 41.
The square root of 57137855 is about 7558.9585922930. The cubic root of 57137855 is about 385.1601178037.
The spelling of 57137855 in words is "fifty-seven million, one hundred thirty-seven thousand, eight hundred fifty-five".
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