Base | Representation |
---|---|
bin | 1101101001011… |
… | …1010011100010 |
3 | 10222201020102120 |
4 | 3122113103202 |
5 | 104123232400 |
6 | 5402525110 |
7 | 1263361530 |
oct | 332272342 |
9 | 128636376 |
10 | 57242850 |
11 | 2a348445 |
12 | 17206796 |
13 | bb23012 |
14 | 7861150 |
15 | 505aca0 |
hex | 36974e2 |
57242850 has 48 divisors (see below), whose sum is σ = 162245568. Its totient is φ = 13083840.
The previous prime is 57242849. The next prime is 57242981. The reversal of 57242850 is 5824275.
It is a super-2 number, since 2×572428502 = 6553487752245000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26209 + ... + 28308.
It is an arithmetic number, because the mean of its divisors is an integer number (3380116).
Almost surely, 257242850 is an apocalyptic number.
57242850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57242850 is an abundant number, since it is smaller than the sum of its proper divisors (105002718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57242850 is a wasteful number, since it uses less digits than its factorization.
57242850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54539 (or 54534 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 57242850 is about 7565.9004751583. The cubic root of 57242850 is about 385.3958934344.
The spelling of 57242850 in words is "fifty-seven million, two hundred forty-two thousand, eight hundred fifty".
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