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57427283 = 311852493
BaseRepresentation
bin1101101100010…
…0010101010011
311000001121102102
43123010111103
5104200133113
65410511015
71265060324
oct333042523
9130047372
1057427283
112a463a71
121729546b
13bb88c54
1478ac44b
155095758
hex36c4553

57427283 has 4 divisors (see below), whose sum is σ = 59279808. Its totient is φ = 55574760.

The previous prime is 57427267. The next prime is 57427289. The reversal of 57427283 is 38272475.

57427283 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 57427283 - 24 = 57427267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57427289) 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, 926216 + ... + 926277.

It is an arithmetic number, because the mean of its divisors is an integer number (14819952).

Almost surely, 257427283 is an apocalyptic number.

57427283 is a deficient number, since it is larger than the sum of its proper divisors (1852525).

57427283 is a wasteful number, since it uses less digits than its factorization.

57427283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852524.

The product of its digits is 94080, while the sum is 38.

The square root of 57427283 is about 7578.0791101703. The cubic root of 57427283 is about 385.8093571187.

The spelling of 57427283 in words is "fifty-seven million, four hundred twenty-seven thousand, two hundred eighty-three".

Divisors: 1 31 1852493 57427283