Base | Representation |
---|---|
bin | 1101101010010… |
… | …0110111001100 |
3 | 10222211001121020 |
4 | 3122210313030 |
5 | 104132022010 |
6 | 5404034140 |
7 | 1264012446 |
oct | 332446714 |
9 | 128731536 |
10 | 57298380 |
11 | 2a386137 |
12 | 17232950 |
13 | bb42389 |
14 | 7877496 |
15 | 506c470 |
hex | 36a4dcc |
57298380 has 24 divisors (see below), whose sum is σ = 160435632. Its totient is φ = 15279552.
The previous prime is 57298379. The next prime is 57298387. The reversal of 57298380 is 8389275.
It is not an unprimeable number, because it can be changed into a prime (57298387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477427 + ... + 477546.
It is an arithmetic number, because the mean of its divisors is an integer number (6684818).
Almost surely, 257298380 is an apocalyptic number.
It is an amenable number.
57298380 is an abundant number, since it is smaller than the sum of its proper divisors (103137252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57298380 is a wasteful number, since it uses less digits than its factorization.
57298380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 954985 (or 954983 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 42.
The square root of 57298380 is about 7569.5693404579. The cubic root of 57298380 is about 385.5204744518.
The spelling of 57298380 in words is "fifty-seven million, two hundred ninety-eight thousand, three hundred eighty".
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