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57464387 = 400714341
BaseRepresentation
bin1101101100110…
…1011001000011
311000010111022122
43123031121003
5104202330022
65411354455
71265303441
oct333153103
9130114278
1057464387
112a489932
12172b2a2b
13bb9cac6
1478bbb91
1550a1742
hex36cd643

57464387 has 4 divisors (see below), whose sum is σ = 57482736. Its totient is φ = 57446040.

The previous prime is 57464357. The next prime is 57464401. The reversal of 57464387 is 78346475.

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 57464387 - 210 = 57463363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57464317) 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, 3164 + ... + 11177.

It is an arithmetic number, because the mean of its divisors is an integer number (14370684).

Almost surely, 257464387 is an apocalyptic number.

57464387 is a deficient number, since it is larger than the sum of its proper divisors (18349).

57464387 is a wasteful number, since it uses less digits than its factorization.

57464387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348.

The product of its digits is 564480, while the sum is 44.

The square root of 57464387 is about 7580.5268286578. The cubic root of 57464387 is about 385.8924302257.

The spelling of 57464387 in words is "fifty-seven million, four hundred sixty-four thousand, three hundred eighty-seven".

Divisors: 1 4007 14341 57464387