Base | Representation |
---|---|
bin | 1101101001100… |
… | …1001111000011 |
3 | 10222201122021100 |
4 | 3122121033003 |
5 | 104124011010 |
6 | 5403025443 |
7 | 1263423552 |
oct | 332311703 |
9 | 128648240 |
10 | 57250755 |
11 | 2a353381 |
12 | 1720b283 |
13 | bb267b3 |
14 | 7863d99 |
15 | 505d2c0 |
hex | 36993c3 |
57250755 has 24 divisors (see below), whose sum is σ = 99665280. Its totient is φ = 30401280.
The previous prime is 57250751. The next prime is 57250771. The reversal of 57250755 is 55705275.
It is not a de Polignac number, because 57250755 - 22 = 57250751 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57250751) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8206 + ... + 13484.
It is an arithmetic number, because the mean of its divisors is an integer number (4152720).
Almost surely, 257250755 is an apocalyptic number.
57250755 is a deficient number, since it is larger than the sum of its proper divisors (42414525).
57250755 is a wasteful number, since it uses less digits than its factorization.
57250755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5531 (or 5528 counting only the distinct ones).
The product of its (nonzero) digits is 61250, while the sum is 36.
The square root of 57250755 is about 7566.4228668506. The cubic root of 57250755 is about 385.4136331423.
The spelling of 57250755 in words is "fifty-seven million, two hundred fifty thousand, seven hundred fifty-five".
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