Base | Representation |
---|---|
bin | 1101100101111… |
… | …1001010111101 |
3 | 10222021120000211 |
4 | 3121133022331 |
5 | 104043403200 |
6 | 5353552421 |
7 | 1261413304 |
oct | 331371275 |
9 | 128246024 |
10 | 57012925 |
11 | 2a200722 |
12 | 17115711 |
13 | ba72478 |
14 | 780143b |
15 | 5012aba |
hex | 365f2bd |
57012925 has 6 divisors (see below), whose sum is σ = 70696058. Its totient is φ = 45610320.
The previous prime is 57012899. The next prime is 57012941. The reversal of 57012925 is 52921075.
It can be written as a sum of positive squares in 3 ways, for example, as 777924 + 56235001 = 882^2 + 7499^2 .
It is not a de Polignac number, because 57012925 - 225 = 23458493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1140234 + ... + 1140283.
Almost surely, 257012925 is an apocalyptic number.
It is an amenable number.
57012925 is a deficient number, since it is larger than the sum of its proper divisors (13683133).
57012925 is a wasteful number, since it uses less digits than its factorization.
57012925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2280527 (or 2280522 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 57012925 is about 7550.6903657878. The cubic root of 57012925 is about 384.8791997463.
The spelling of 57012925 in words is "fifty-seven million, twelve thousand, nine hundred twenty-five".
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