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57396289 is a prime number
BaseRepresentation
bin1101101011110…
…0110001000001
311000000000220111
43122330301001
5104143140124
65410111321
71264601056
oct332746101
9130000814
1057396289
112a442755
121727b541
13bb77b02
1478a102d
15508b494
hex36bcc41

57396289 has 2 divisors, whose sum is σ = 57396290. Its totient is φ = 57396288.

The previous prime is 57396277. The next prime is 57396299. The reversal of 57396289 is 98269375.

57396289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53173264 + 4223025 = 7292^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 57396289 - 25 = 57396257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57396299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28698144 + 28698145.

It is an arithmetic number, because the mean of its divisors is an integer number (28698145).

Almost surely, 257396289 is an apocalyptic number.

It is an amenable number.

57396289 is a deficient number, since it is larger than the sum of its proper divisors (1).

57396289 is an equidigital number, since it uses as much as digits as its factorization.

57396289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 57396289 is about 7576.0338568409. The cubic root of 57396289 is about 385.7399364155.

The spelling of 57396289 in words is "fifty-seven million, three hundred ninety-six thousand, two hundred eighty-nine".