Base | Representation |
---|---|
bin | 1101101001100… |
… | …1100010111110 |
3 | 10222201201000120 |
4 | 3122121202332 |
5 | 104124031110 |
6 | 5403035410 |
7 | 1263430353 |
oct | 332314276 |
9 | 128651016 |
10 | 57252030 |
11 | 2a354330 |
12 | 1720bb66 |
13 | bb27254 |
14 | 786462a |
15 | 505d870 |
hex | 36998be |
57252030 has 32 divisors (see below), whose sum is σ = 149897088. Its totient is φ = 13879200.
The previous prime is 57252023. The next prime is 57252043. The reversal of 57252030 is 3025275.
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, 86416 + ... + 87075.
It is an arithmetic number, because the mean of its divisors is an integer number (4684284).
Almost surely, 257252030 is an apocalyptic number.
57252030 is an abundant number, since it is smaller than the sum of its proper divisors (92645058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57252030 is a wasteful number, since it uses less digits than its factorization.
57252030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173512.
The product of its (nonzero) digits is 2100, while the sum is 24.
The square root of 57252030 is about 7566.5071201975. The cubic root of 57252030 is about 385.4164942325.
The spelling of 57252030 in words is "fifty-seven million, two hundred fifty-two thousand, thirty".
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