Base | Representation |
---|---|
bin | 1101100111111… |
… | …1010100110001 |
3 | 10222112020200121 |
4 | 3121333110301 |
5 | 104112112000 |
6 | 5400450241 |
7 | 1262502256 |
oct | 331772461 |
9 | 128466617 |
10 | 57144625 |
11 | 2a29066a |
12 | 17179981 |
13 | baba3b5 |
14 | 783742d |
15 | 503bb1a |
hex | 367f531 |
57144625 has 16 divisors (see below), whose sum is σ = 73622016. Its totient is φ = 44238000.
The previous prime is 57144623. The next prime is 57144631. The reversal of 57144625 is 52644175.
It is not a de Polignac number, because 57144625 - 21 = 57144623 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57144623) 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, 3499 + ... + 11248.
It is an arithmetic number, because the mean of its divisors is an integer number (4601376).
Almost surely, 257144625 is an apocalyptic number.
It is an amenable number.
57144625 is a deficient number, since it is larger than the sum of its proper divisors (16477391).
57144625 is a wasteful number, since it uses less digits than its factorization.
57144625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14793 (or 14783 counting only the distinct ones).
The product of its digits is 33600, while the sum is 34.
The square root of 57144625 is about 7559.4063920390. The cubic root of 57144625 is about 385.1753291495.
The spelling of 57144625 in words is "fifty-seven million, one hundred forty-four thousand, six hundred twenty-five".
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