Base | Representation |
---|---|
bin | 1101101001100… |
… | …1101000010111 |
3 | 10222201201111100 |
4 | 3122121220113 |
5 | 104124034000 |
6 | 5403041143 |
7 | 1263431355 |
oct | 332315027 |
9 | 128651440 |
10 | 57252375 |
11 | 2a354614 |
12 | 172101b3 |
13 | bb2745b |
14 | 78647d5 |
15 | 505da00 |
hex | 3699a17 |
57252375 has 24 divisors (see below), whose sum is σ = 103208976. Its totient is φ = 30534000.
The previous prime is 57252323. The next prime is 57252389. The reversal of 57252375 is 57325275.
It is a happy number.
57252375 is a `hidden beast` number, since 572 + 52 + 37 + 5 = 666.
It is not a de Polignac number, because 57252375 - 213 = 57244183 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24321 + ... + 26570.
It is an arithmetic number, because the mean of its divisors is an integer number (4300374).
Almost surely, 257252375 is an apocalyptic number.
57252375 is a deficient number, since it is larger than the sum of its proper divisors (45956601).
57252375 is a wasteful number, since it uses less digits than its factorization.
57252375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50912 (or 50899 counting only the distinct ones).
The product of its digits is 73500, while the sum is 36.
The square root of 57252375 is about 7566.5299180007. The cubic root of 57252375 is about 385.4172684026.
Subtracting 57252375 from its reverse (57325275), we obtain a square (72900 = 2702).
It can be divided in two parts, 5725 and 2375, that added together give a square (8100 = 902).
The spelling of 57252375 in words is "fifty-seven million, two hundred fifty-two thousand, three hundred seventy-five".
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