Base | Representation |
---|---|
bin | 1101101100010… |
… | …1001000101000 |
3 | 11000001202221002 |
4 | 3123011020220 |
5 | 104200234233 |
6 | 5410534132 |
7 | 1265103026 |
oct | 333051050 |
9 | 130052832 |
10 | 57430568 |
11 | 2a466488 |
12 | 17297348 |
13 | bb8a5b0 |
14 | 78ad716 |
15 | 50966e8 |
hex | 36c5228 |
57430568 has 16 divisors (see below), whose sum is σ = 115965780. Its totient is φ = 26506368.
The previous prime is 57430567. The next prime is 57430577. The reversal of 57430568 is 86503475.
It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 850084 = 7522^2 + 922^2 .
It is not an unprimeable number, because it can be changed into a prime (57430561) 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 3 ways as a sum of consecutive naturals, for example, 276005 + ... + 276212.
Almost surely, 257430568 is an apocalyptic number.
It is an amenable number.
57430568 is an abundant number, since it is smaller than the sum of its proper divisors (58535212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57430568 is a wasteful number, since it uses less digits than its factorization.
57430568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552236 (or 552232 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 57430568 is about 7578.2958506514. The cubic root of 57430568 is about 385.8167134338.
The spelling of 57430568 in words is "fifty-seven million, four hundred thirty thousand, five hundred sixty-eight".
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