Base | Representation |
---|---|
bin | 1101110001001… |
… | …0110101011110 |
3 | 11000122221111120 |
4 | 3130102311132 |
5 | 104240430310 |
6 | 5421431410 |
7 | 1300566636 |
oct | 334226536 |
9 | 130587446 |
10 | 57748830 |
11 | 2a663607 |
12 | 1740b566 |
13 | bc6c409 |
14 | 79536c6 |
15 | 510ab70 |
hex | 3712d5e |
57748830 has 32 divisors (see below), whose sum is σ = 146751264. Its totient is φ = 14493696.
The previous prime is 57748799. The next prime is 57748843. The reversal of 57748830 is 3884775.
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, 56107 + ... + 57126.
It is an arithmetic number, because the mean of its divisors is an integer number (4585977).
Almost surely, 257748830 is an apocalyptic number.
57748830 is an abundant number, since it is smaller than the sum of its proper divisors (89002434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57748830 is a wasteful number, since it uses less digits than its factorization.
57748830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113260.
The product of its (nonzero) digits is 188160, while the sum is 42.
The square root of 57748830 is about 7599.2650960471. The cubic root of 57748830 is about 386.5280922710.
The spelling of 57748830 in words is "fifty-seven million, seven hundred forty-eight thousand, eight hundred thirty".
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