Base | Representation |
---|---|
bin | 1101110010000… |
… | …0011110010010 |
3 | 11000202210010110 |
4 | 3130200132102 |
5 | 104244222230 |
6 | 5422542150 |
7 | 1301221536 |
oct | 334403622 |
9 | 130683113 |
10 | 57804690 |
11 | 2a6a1579 |
12 | 17437956 |
13 | bc8b978 |
14 | 7969bc6 |
15 | 511c4b0 |
hex | 3720792 |
57804690 has 32 divisors (see below), whose sum is σ = 139594176. Its totient is φ = 15318720.
The previous prime is 57804671. The next prime is 57804713. The reversal of 57804690 is 9640875.
It is a super-2 number, since 2×578046902 = 6682764371992200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 10800.
It is an arithmetic number, because the mean of its divisors is an integer number (4362318).
Almost surely, 257804690 is an apocalyptic number.
57804690 is an abundant number, since it is smaller than the sum of its proper divisors (81789486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57804690 is a wasteful number, since it uses less digits than its factorization.
57804690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11994.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 57804690 is about 7602.9395630901. The cubic root of 57804690 is about 386.6526806607.
The spelling of 57804690 in words is "fifty-seven million, eight hundred four thousand, six hundred ninety".
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