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57974243 is a prime number
BaseRepresentation
bin1101110100100…
…1110111100011
311001002101201012
43131021313203
5104320133433
65430331135
71302526055
oct335116743
9131071635
1057974243
112a7a79a8
12174b9aab
13c01abb2
1479b18d5
155152848
hex3749de3

57974243 has 2 divisors, whose sum is σ = 57974244. Its totient is φ = 57974242.

The previous prime is 57974197. The next prime is 57974297. The reversal of 57974243 is 34247975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57974243 - 26 = 57974179 is a prime.

It is a super-2 number, since 2×579742432 = 6722025702846098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57974243.

It is not a weakly prime, because it can be changed into another prime (57974143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28987121 + 28987122.

It is an arithmetic number, because the mean of its divisors is an integer number (28987122).

Almost surely, 257974243 is an apocalyptic number.

57974243 is a deficient number, since it is larger than the sum of its proper divisors (1).

57974243 is an equidigital number, since it uses as much as digits as its factorization.

57974243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 57974243 is about 7614.0818881859. The cubic root of 57974243 is about 387.0303554811.

The spelling of 57974243 in words is "fifty-seven million, nine hundred seventy-four thousand, two hundred forty-three".