Base | Representation |
---|---|
bin | 1101101000001… |
… | …0010110011001 |
3 | 10222112212200120 |
4 | 3122002112121 |
5 | 104113011032 |
6 | 5401023453 |
7 | 1262553351 |
oct | 332022631 |
9 | 128485616 |
10 | 57157017 |
11 | 2a299a05 |
12 | 17184b89 |
13 | bac2c28 |
14 | 783bb61 |
15 | 504062c |
hex | 3682599 |
57157017 has 8 divisors (see below), whose sum is σ = 77501280. Its totient is φ = 37458720.
The previous prime is 57157007. The next prime is 57157021. The reversal of 57157017 is 71075175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57157017 - 210 = 57155993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57157007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161284 + ... + 161637.
It is an arithmetic number, because the mean of its divisors is an integer number (9687660).
Almost surely, 257157017 is an apocalyptic number.
It is an amenable number.
57157017 is a deficient number, since it is larger than the sum of its proper divisors (20344263).
57157017 is a wasteful number, since it uses less digits than its factorization.
57157017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322983.
The product of its (nonzero) digits is 8575, while the sum is 33.
The square root of 57157017 is about 7560.2259886858. The cubic root of 57157017 is about 385.2031693164.
The spelling of 57157017 in words is "fifty-seven million, one hundred fifty-seven thousand, seventeen".
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