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57248297 is a prime number
BaseRepresentation
bin1101101001100…
…0101000101001
310222201111220022
43122120220221
5104123421142
65403010225
71263413441
oct332305051
9128644808
1057248297
112a351547
1217209975
13bb25642
147863121
15505c6d2
hex3698a29

57248297 has 2 divisors, whose sum is σ = 57248298. Its totient is φ = 57248296.

The previous prime is 57248293. The next prime is 57248381. The reversal of 57248297 is 79284275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30426256 + 26822041 = 5516^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 57248297 - 22 = 57248293 is a prime.

It is not a weakly prime, because it can be changed into another prime (57248293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28624148 + 28624149.

It is an arithmetic number, because the mean of its divisors is an integer number (28624149).

Almost surely, 257248297 is an apocalyptic number.

It is an amenable number.

57248297 is a deficient number, since it is larger than the sum of its proper divisors (1).

57248297 is an equidigital number, since it uses as much as digits as its factorization.

57248297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 57248297 is about 7566.2604369662. The cubic root of 57248297 is about 385.4081172891.

The spelling of 57248297 in words is "fifty-seven million, two hundred forty-eight thousand, two hundred ninety-seven".