Base | Representation |
---|---|
bin | 1101101001010… |
… | …0010101000100 |
3 | 10222200121201002 |
4 | 3122110111010 |
5 | 104122340120 |
6 | 5402352432 |
7 | 1263311144 |
oct | 332242504 |
9 | 128617632 |
10 | 57230660 |
11 | 2a33a273 |
12 | 171bb718 |
13 | bb1a5c6 |
14 | 785a924 |
15 | 5057375 |
hex | 3694544 |
57230660 has 24 divisors (see below), whose sum is σ = 126510720. Its totient is φ = 21687264.
The previous prime is 57230651. The next prime is 57230669. The reversal of 57230660 is 6603275.
It is an interprime number because it is at equal distance from previous prime (57230651) and next prime (57230669).
It is not an unprimeable number, because it can be changed into a prime (57230669) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 74924 + ... + 75683.
It is an arithmetic number, because the mean of its divisors is an integer number (5271280).
Almost surely, 257230660 is an apocalyptic number.
It is an amenable number.
57230660 is an abundant number, since it is smaller than the sum of its proper divisors (69280060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57230660 is a wasteful number, since it uses less digits than its factorization.
57230660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150635 (or 150633 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 57230660 is about 7565.0948440849. The cubic root of 57230660 is about 385.3685345039.
The spelling of 57230660 in words is "fifty-seven million, two hundred thirty thousand, six hundred sixty".
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