Base | Representation |
---|---|
bin | 1101110010001… |
… | …0100000100001 |
3 | 11000210012120011 |
4 | 3130202200201 |
5 | 104300004100 |
6 | 5423044521 |
7 | 1301255044 |
oct | 334424041 |
9 | 130705504 |
10 | 57813025 |
11 | 2a6a7866 |
12 | 17440741 |
13 | bc926ba |
14 | 796cc5b |
15 | 511ebba |
hex | 3722821 |
57813025 has 6 divisors (see below), whose sum is σ = 71688182. Its totient is φ = 46250400.
The previous prime is 57813023. The next prime is 57813059. The reversal of 57813025 is 52031875.
It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 57259489 = 744^2 + 7567^2 .
It is not a de Polignac number, because 57813025 - 21 = 57813023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57813023) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1156236 + ... + 1156285.
Almost surely, 257813025 is an apocalyptic number.
It is an amenable number.
57813025 is a deficient number, since it is larger than the sum of its proper divisors (13875157).
57813025 is a wasteful number, since it uses less digits than its factorization.
57813025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2312531 (or 2312526 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 57813025 is about 7603.4876865817. The cubic root of 57813025 is about 386.6712639003.
The spelling of 57813025 in words is "fifty-seven million, eight hundred thirteen thousand, twenty-five".
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