Base | Representation |
---|---|
bin | 1101101101011… |
… | …1011001011111 |
3 | 11000012120112201 |
4 | 3123113121133 |
5 | 104210133000 |
6 | 5412312331 |
7 | 1265534104 |
oct | 333273137 |
9 | 130176481 |
10 | 57505375 |
11 | 2a507704 |
12 | 173126a7 |
13 | bbb5665 |
14 | 78ccaab |
15 | 50ad96a |
hex | 36d765f |
57505375 has 16 divisors (see below), whose sum is σ = 71985888. Its totient is φ = 45864000.
The previous prime is 57505369. The next prime is 57505391. The reversal of 57505375 is 57350575.
It is not a de Polignac number, because 57505375 - 23 = 57505367 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64684 + ... + 65566.
It is an arithmetic number, because the mean of its divisors is an integer number (4499118).
Almost surely, 257505375 is an apocalyptic number.
57505375 is a deficient number, since it is larger than the sum of its proper divisors (14480513).
57505375 is an equidigital number, since it uses as much as digits as its factorization.
57505375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1419 (or 1409 counting only the distinct ones).
The product of its (nonzero) digits is 91875, while the sum is 37.
The square root of 57505375 is about 7583.2298527738. The cubic root of 57505375 is about 385.9841577612.
It can be divided in two parts, 575053 and 75, that added together give a triangular number (575128 = T1072).
The spelling of 57505375 in words is "fifty-seven million, five hundred five thousand, three hundred seventy-five".
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