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57492107 = 564710181
BaseRepresentation
bin1101101101010…
…0001010001011
311000011220100022
43123110022023
5104204221412
65412131055
71265450321
oct333241213
9130156308
1057492107
112a4a8742
1217306a8b
13bbac5ca
1478c7d11
1550a9a72
hex36d428b

57492107 has 4 divisors (see below), whose sum is σ = 57507936. Its totient is φ = 57476280.

The previous prime is 57492089. The next prime is 57492133. The reversal of 57492107 is 70129475.

57492107 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 57492107 - 214 = 57475723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57492307) 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, 557 + ... + 10737.

It is an arithmetic number, because the mean of its divisors is an integer number (14376984).

Almost surely, 257492107 is an apocalyptic number.

57492107 is a deficient number, since it is larger than the sum of its proper divisors (15829).

57492107 is a wasteful number, since it uses less digits than its factorization.

57492107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 57492107 is about 7582.3549771822. The cubic root of 57492107 is about 385.9544699177.

The spelling of 57492107 in words is "fifty-seven million, four hundred ninety-two thousand, one hundred seven".

Divisors: 1 5647 10181 57492107