Base | Representation |
---|---|
bin | 1101100110111… |
… | …0011101000010 |
3 | 10222101201220020 |
4 | 3121232131002 |
5 | 104102404042 |
6 | 5355154310 |
7 | 1262063640 |
oct | 331563502 |
9 | 128351806 |
10 | 57075522 |
11 | 2a243759 |
12 | 17145996 |
13 | ba94aca |
14 | 781a190 |
15 | 50263ec |
hex | 366e742 |
57075522 has 32 divisors (see below), whose sum is σ = 131932800. Its totient is φ = 16123008.
The previous prime is 57075517. The next prime is 57075523. The reversal of 57075522 is 22557075.
It is not an unprimeable number, because it can be changed into a prime (57075523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897 + ... + 11372.
It is an arithmetic number, because the mean of its divisors is an integer number (4122900).
Almost surely, 257075522 is an apocalyptic number.
57075522 is an abundant number, since it is smaller than the sum of its proper divisors (74857278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57075522 is a wasteful number, since it uses less digits than its factorization.
57075522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15370.
The product of its (nonzero) digits is 24500, while the sum is 33.
The square root of 57075522 is about 7554.8343462977. The cubic root of 57075522 is about 385.0200068312.
The spelling of 57075522 in words is "fifty-seven million, seventy-five thousand, five hundred twenty-two".
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