Base | Representation |
---|---|
bin | 1101101011100… |
… | …1111001110100 |
3 | 10222222102211020 |
4 | 3122321321310 |
5 | 104142301224 |
6 | 5405541140 |
7 | 1264521636 |
oct | 332717164 |
9 | 128872736 |
10 | 57384564 |
11 | 2a434966 |
12 | 172747b0 |
13 | bb72683 |
14 | 789aa56 |
15 | 5087c79 |
hex | 36b9e74 |
57384564 has 48 divisors (see below), whose sum is σ = 136745280. Its totient is φ = 18726400.
The previous prime is 57384559. The next prime is 57384577. The reversal of 57384564 is 46548375.
Its product of digits (403200) is a multiple of the sum of its prime factors (640).
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, 136747 + ... + 137165.
It is an arithmetic number, because the mean of its divisors is an integer number (2848860).
Almost surely, 257384564 is an apocalyptic number.
It is an amenable number.
57384564 is an abundant number, since it is smaller than the sum of its proper divisors (79360716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57384564 is a wasteful number, since it uses less digits than its factorization.
57384564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640 (or 638 counting only the distinct ones).
The product of its digits is 403200, while the sum is 42.
The square root of 57384564 is about 7575.2599955381. The cubic root of 57384564 is about 385.7136681158.
The spelling of 57384564 in words is "fifty-seven million, three hundred eighty-four thousand, five hundred sixty-four".
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