Base | Representation |
---|---|
bin | 1101101011010… |
… | …1111011011000 |
3 | 10222221121111010 |
4 | 3122311323120 |
5 | 104141241110 |
6 | 5405333520 |
7 | 1264423314 |
oct | 332657330 |
9 | 128847433 |
10 | 57368280 |
11 | 2a423702 |
12 | 172672a0 |
13 | bb68138 |
14 | 7894b44 |
15 | 5083020 |
hex | 36b5ed8 |
57368280 has 32 divisors (see below), whose sum is σ = 172105200. Its totient is φ = 15298176.
The previous prime is 57368273. The next prime is 57368327. The reversal of 57368280 is 8286375.
It is a super-2 number, since 2×573682802 = 6582239100316800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238915 + ... + 239154.
Almost surely, 257368280 is an apocalyptic number.
It is an amenable number.
57368280 is an abundant number, since it is smaller than the sum of its proper divisors (114736920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57368280 is a wasteful number, since it uses less digits than its factorization.
57368280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478083 (or 478079 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 57368280 is about 7574.1851046829. The cubic root of 57368280 is about 385.6771800480.
It can be divided in two parts, 57 and 368280, that multiplied together give a triangular number (20991960 = T6479).
The spelling of 57368280 in words is "fifty-seven million, three hundred sixty-eight thousand, two hundred eighty".
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