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57934439 = 193049181
BaseRepresentation
bin1101110100000…
…0001001100111
311001000101002222
43131000021213
5104312400224
65425422555
71302302033
oct335001147
9131011088
1057934439
112a780002
121749aa5b
13c005a44
1479a11c3
155145b5e
hex3740267

57934439 has 4 divisors (see below), whose sum is σ = 60983640. Its totient is φ = 54885240.

The previous prime is 57934427. The next prime is 57934463. The reversal of 57934439 is 93443975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57934439 - 28 = 57934183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57934439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57934469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524572 + ... + 1524609.

It is an arithmetic number, because the mean of its divisors is an integer number (15245910).

Almost surely, 257934439 is an apocalyptic number.

57934439 is a deficient number, since it is larger than the sum of its proper divisors (3049201).

57934439 is a wasteful number, since it uses less digits than its factorization.

57934439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049200.

The product of its digits is 408240, while the sum is 44.

The square root of 57934439 is about 7611.4675983019. The cubic root of 57934439 is about 386.9417593363.

The spelling of 57934439 in words is "fifty-seven million, nine hundred thirty-four thousand, four hundred thirty-nine".

Divisors: 1 19 3049181 57934439