Base | Representation |
---|---|
bin | 1101101001111… |
… | …0001010000000 |
3 | 10222202122220220 |
4 | 3122132022000 |
5 | 104130132122 |
6 | 5403303040 |
7 | 1263536406 |
oct | 332361200 |
9 | 128678826 |
10 | 57270912 |
11 | 2a367536 |
12 | 1721aa80 |
13 | bb32a1a |
14 | 786b476 |
15 | 506425c |
hex | 369e280 |
57270912 has 32 divisors (see below), whose sum is σ = 152126880. Its totient is φ = 19090176.
The previous prime is 57270901. The next prime is 57270923. The reversal of 57270912 is 21907275.
It is an interprime number because it is at equal distance from previous prime (57270901) and next prime (57270923).
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×572709122 = 6559914722623488, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74188 + ... + 74955.
It is an arithmetic number, because the mean of its divisors is an integer number (4753965).
Almost surely, 257270912 is an apocalyptic number.
It is an amenable number.
57270912 is an abundant number, since it is smaller than the sum of its proper divisors (94855968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57270912 is a wasteful number, since it uses less digits than its factorization.
57270912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149160 (or 149148 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 57270912 is about 7567.7547528973. The cubic root of 57270912 is about 385.4588603247.
The spelling of 57270912 in words is "fifty-seven million, two hundred seventy thousand, nine hundred twelve".
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