Base | Representation |
---|---|
bin | 1101101001101… |
… | …0000101110101 |
3 | 10222201211002012 |
4 | 3122122011311 |
5 | 104124114021 |
6 | 5403054005 |
7 | 1263440021 |
oct | 332320565 |
9 | 128654065 |
10 | 57254261 |
11 | 2a355a79 |
12 | 17211305 |
13 | bb2827c |
14 | 7865381 |
15 | 505e35b |
hex | 369a175 |
57254261 has 2 divisors, whose sum is σ = 57254262. Its totient is φ = 57254260.
The previous prime is 57254237. The next prime is 57254297. The reversal of 57254261 is 16245275.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 34739236 + 22515025 = 5894^2 + 4745^2 .
It is a cyclic number.
It is not a de Polignac number, because 57254261 - 210 = 57253237 is a prime.
It is a super-2 number, since 2×572542612 = 6556100805312242, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57254221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28627130 + 28627131.
It is an arithmetic number, because the mean of its divisors is an integer number (28627131).
Almost surely, 257254261 is an apocalyptic number.
It is an amenable number.
57254261 is a deficient number, since it is larger than the sum of its proper divisors (1).
57254261 is an equidigital number, since it uses as much as digits as its factorization.
57254261 is an evil number, because the sum of its binary digits is even.
The product of its digits is 16800, while the sum is 32.
The square root of 57254261 is about 7566.6545447774. The cubic root of 57254261 is about 385.4215004773.
The spelling of 57254261 in words is "fifty-seven million, two hundred fifty-four thousand, two hundred sixty-one".
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