Base | Representation |
---|---|
bin | 1101100111010… |
… | …1000101110011 |
3 | 10222110010012002 |
4 | 3121311011303 |
5 | 104104241312 |
6 | 5355524215 |
7 | 1262236124 |
oct | 331650563 |
9 | 128403162 |
10 | 57102707 |
11 | 2a262122 |
12 | 1715966b |
13 | baa42ac |
14 | 782604b |
15 | 502e4c2 |
hex | 3675173 |
57102707 has 4 divisors (see below), whose sum is σ = 57118056. Its totient is φ = 57087360.
The previous prime is 57102691. The next prime is 57102739. The reversal of 57102707 is 70720175.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 57102707 - 24 = 57102691 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57102707.
It is not an unprimeable number, because it can be changed into a prime (57102757) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832 + ... + 10842.
It is an arithmetic number, because the mean of its divisors is an integer number (14279514).
Almost surely, 257102707 is an apocalyptic number.
57102707 is a deficient number, since it is larger than the sum of its proper divisors (15349).
57102707 is an equidigital number, since it uses as much as digits as its factorization.
57102707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15348.
The product of its (nonzero) digits is 3430, while the sum is 29.
The square root of 57102707 is about 7556.6333112041. The cubic root of 57102707 is about 385.0811253118.
The spelling of 57102707 in words is "fifty-seven million, one hundred two thousand, seven hundred seven".
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