Base | Representation |
---|---|
bin | 1101110011100… |
… | …0101100001000 |
3 | 11000221211012011 |
4 | 3130320230020 |
5 | 104310411010 |
6 | 5425025304 |
7 | 1302113656 |
oct | 334705410 |
9 | 130854164 |
10 | 57903880 |
11 | 2a75a051 |
12 | 17485234 |
13 | bcc4b68 |
14 | 7993dd6 |
15 | 513ba8a |
hex | 3738b08 |
57903880 has 32 divisors (see below), whose sum is σ = 135950400. Its totient is φ = 22154176.
The previous prime is 57903869. The next prime is 57903883. The reversal of 57903880 is 8830975.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (57903883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30550 + ... + 32389.
It is an arithmetic number, because the mean of its divisors is an integer number (4248450).
Almost surely, 257903880 is an apocalyptic number.
It is an amenable number.
57903880 is an abundant number, since it is smaller than the sum of its proper divisors (78046520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57903880 is a wasteful number, since it uses less digits than its factorization.
57903880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62973 (or 62969 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 57903880 is about 7609.4599019904. The cubic root of 57903880 is about 386.8737132651.
The spelling of 57903880 in words is "fifty-seven million, nine hundred three thousand, eight hundred eighty".
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