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57304339 = 232491493
BaseRepresentation
bin1101101010011…
…0010100010011
310222211100202221
43122212110103
5104132214324
65404121511
71264036021
oct332462423
9128740687
1057304339
112a38a664
1217236297
13bb44cc1
147879711
15506e0e4
hex36a6513

57304339 has 4 divisors (see below), whose sum is σ = 59795856. Its totient is φ = 54812824.

The previous prime is 57304307. The next prime is 57304367. The reversal of 57304339 is 93340375.

57304339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57304339 - 25 = 57304307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57304369) 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 in 3 ways as a sum of consecutive naturals, for example, 1245724 + ... + 1245769.

It is an arithmetic number, because the mean of its divisors is an integer number (14948964).

Almost surely, 257304339 is an apocalyptic number.

57304339 is a deficient number, since it is larger than the sum of its proper divisors (2491517).

57304339 is a wasteful number, since it uses less digits than its factorization.

57304339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491516.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 57304339 is about 7569.9629457481. The cubic root of 57304339 is about 385.5338386276.

The spelling of 57304339 in words is "fifty-seven million, three hundred four thousand, three hundred thirty-nine".

Divisors: 1 23 2491493 57304339