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57423911 = 98358417
BaseRepresentation
bin1101101100001…
…1100000100111
311000001102210112
43123003200213
5104200031121
65410443235
71265044436
oct333034047
9130042715
1057423911
112a461486
121729351b
13bb8755c
1478ab11d
15509475b
hex36c3827

57423911 has 4 divisors (see below), whose sum is σ = 57483312. Its totient is φ = 57364512.

The previous prime is 57423887. The next prime is 57423913. The reversal of 57423911 is 11932475.

57423911 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 57423911 - 210 = 57422887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423913) 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, 28226 + ... + 30191.

It is an arithmetic number, because the mean of its divisors is an integer number (14370828).

Almost surely, 257423911 is an apocalyptic number.

57423911 is a deficient number, since it is larger than the sum of its proper divisors (59401).

57423911 is an equidigital number, since it uses as much as digits as its factorization.

57423911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59400.

The product of its digits is 7560, while the sum is 32.

The square root of 57423911 is about 7577.8566230828. The cubic root of 57423911 is about 385.8018056870.

The spelling of 57423911 in words is "fifty-seven million, four hundred twenty-three thousand, nine hundred eleven".

Divisors: 1 983 58417 57423911