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57057467 = 109523463
BaseRepresentation
bin1101100110101…
…0000010111011
310222100211010112
43121222002323
5104101314332
65354534535
71261660205
oct331520273
9128324115
1057057467
112a231135
121713744b
13ba8981c
147813775
155020db2
hex366a0bb

57057467 has 4 divisors (see below), whose sum is σ = 57581040. Its totient is φ = 56533896.

The previous prime is 57057463. The next prime is 57057487. The reversal of 57057467 is 76475075.

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 57057467 - 22 = 57057463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57057461) 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, 261623 + ... + 261840.

It is an arithmetic number, because the mean of its divisors is an integer number (14395260).

Almost surely, 257057467 is an apocalyptic number.

57057467 is a deficient number, since it is larger than the sum of its proper divisors (523573).

57057467 is a wasteful number, since it uses less digits than its factorization.

57057467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523572.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 57057467 is about 7553.6393215456. The cubic root of 57057467 is about 384.9794040818.

The spelling of 57057467 in words is "fifty-seven million, fifty-seven thousand, four hundred sixty-seven".

Divisors: 1 109 523463 57057467