Base | Representation |
---|---|
bin | 1101110011100… |
… | …1011110000000 |
3 | 11000221222120101 |
4 | 3130321132000 |
5 | 104311011242 |
6 | 5425052144 |
7 | 1302126166 |
oct | 334713600 |
9 | 130858511 |
10 | 57907072 |
11 | 2a761493 |
12 | 17487054 |
13 | bcc6452 |
14 | 7995236 |
15 | 513c9b7 |
hex | 3739780 |
57907072 has 32 divisors (see below), whose sum is σ = 118489320. Its totient is φ = 28168704.
The previous prime is 57907063. The next prime is 57907093. The reversal of 57907072 is 27070975.
57907072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×579070722 = 6706457975226368, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378 + ... + 10849.
Almost surely, 257907072 is an apocalyptic number.
It is an amenable number.
57907072 is an abundant number, since it is smaller than the sum of its proper divisors (60582248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57907072 is a wasteful number, since it uses less digits than its factorization.
57907072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12278 (or 12266 counting only the distinct ones).
The product of its (nonzero) digits is 30870, while the sum is 37.
The square root of 57907072 is about 7609.6696380329. The cubic root of 57907072 is about 386.8808220472.
The spelling of 57907072 in words is "fifty-seven million, nine hundred seven thousand, seventy-two".
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