Base | Representation |
---|---|
bin | 1101101001100… |
… | …0101010010001 |
3 | 10222201112001011 |
4 | 3122120222101 |
5 | 104123422101 |
6 | 5403010521 |
7 | 1263413650 |
oct | 332305221 |
9 | 128645034 |
10 | 57248401 |
11 | 2a351631 |
12 | 17209a41 |
13 | bb256c2 |
14 | 7863197 |
15 | 505c751 |
hex | 3698a91 |
57248401 has 16 divisors (see below), whose sum is σ = 69793920. Its totient is φ = 45838080.
The previous prime is 57248383. The next prime is 57248419. The reversal of 57248401 is 10484275.
It is an interprime number because it is at equal distance from previous prime (57248383) and next prime (57248419).
It is a cyclic number.
It is not a de Polignac number, because 57248401 - 211 = 57246353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57248431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14811 + ... + 18271.
It is an arithmetic number, because the mean of its divisors is an integer number (4362120).
Almost surely, 257248401 is an apocalyptic number.
It is an amenable number.
57248401 is a deficient number, since it is larger than the sum of its proper divisors (12545519).
57248401 is a wasteful number, since it uses less digits than its factorization.
57248401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3624.
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 57248401 is about 7566.2673095787. The cubic root of 57248401 is about 385.4083506726.
The spelling of 57248401 in words is "fifty-seven million, two hundred forty-eight thousand, four hundred one".
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