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57343849 is a prime number
BaseRepresentation
bin1101101010111…
…1111101101001
310222220100222021
43122233331221
5104140000344
65405024441
71264262143
oct332577551
9128810867
1057343849
112a407312
1217255121
13bb59c94
147889c93
15507ab84
hex36aff69

57343849 has 2 divisors, whose sum is σ = 57343850. Its totient is φ = 57343848.

The previous prime is 57343829. The next prime is 57343859. The reversal of 57343849 is 94834375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56475225 + 868624 = 7515^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 57343849 - 217 = 57212777 is a prime.

It is not a weakly prime, because it can be changed into another prime (57343829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28671924 + 28671925.

It is an arithmetic number, because the mean of its divisors is an integer number (28671925).

Almost surely, 257343849 is an apocalyptic number.

It is an amenable number.

57343849 is a deficient number, since it is larger than the sum of its proper divisors (1).

57343849 is an equidigital number, since it uses as much as digits as its factorization.

57343849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 57343849 is about 7572.5721521818. The cubic root of 57343849 is about 385.6224237898.

The spelling of 57343849 in words is "fifty-seven million, three hundred forty-three thousand, eight hundred forty-nine".