Base | Representation |
---|---|
bin | 1101100111011… |
… | …0001011110110 |
3 | 10222110100100010 |
4 | 3121312023312 |
5 | 104104412230 |
6 | 5400001050 |
7 | 1262255160 |
oct | 331661366 |
9 | 128410303 |
10 | 57107190 |
11 | 2a265528 |
12 | 17160186 |
13 | baa634a |
14 | 7827930 |
15 | 50309b0 |
hex | 36762f6 |
57107190 has 32 divisors (see below), whose sum is σ = 156637440. Its totient is φ = 13053024.
The previous prime is 57107173. The next prime is 57107191. The reversal of 57107190 is 9170175.
It is a super-2 number, since 2×571071902 = 6522462299392200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57107191) 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, 135760 + ... + 136179.
It is an arithmetic number, because the mean of its divisors is an integer number (4894920).
Almost surely, 257107190 is an apocalyptic number.
57107190 is an abundant number, since it is smaller than the sum of its proper divisors (99530250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57107190 is a wasteful number, since it uses less digits than its factorization.
57107190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271956.
The product of its (nonzero) digits is 2205, while the sum is 30.
The square root of 57107190 is about 7556.9299321881. The cubic root of 57107190 is about 385.0912023210.
The spelling of 57107190 in words is "fifty-seven million, one hundred seven thousand, one hundred ninety".
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