Base | Representation |
---|---|
bin | 1101100111011… |
… | …0010001111100 |
3 | 10222110100212120 |
4 | 3121312101330 |
5 | 104104420310 |
6 | 5400002540 |
7 | 1262256255 |
oct | 331662174 |
9 | 128410776 |
10 | 57107580 |
11 | 2a265852 |
12 | 17160450 |
13 | baa658a |
14 | 7827b2c |
15 | 5030b70 |
hex | 367647c |
57107580 has 48 divisors (see below), whose sum is σ = 165064704. Its totient is φ = 14736960.
The previous prime is 57107563. The next prime is 57107581. The reversal of 57107580 is 8570175.
It is a super-2 number, since 2×571075802 = 6522551386912800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57107581) 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, 13492 + ... + 17211.
It is an arithmetic number, because the mean of its divisors is an integer number (3438848).
Almost surely, 257107580 is an apocalyptic number.
It is an amenable number.
57107580 is an abundant number, since it is smaller than the sum of its proper divisors (107957124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57107580 is a wasteful number, since it uses less digits than its factorization.
57107580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30746 (or 30744 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 33.
The square root of 57107580 is about 7556.9557362737. The cubic root of 57107580 is about 385.0920789487.
The spelling of 57107580 in words is "fifty-seven million, one hundred seven thousand, five hundred eighty".
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