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57092543 = 1632271543
BaseRepresentation
bin1101100111001…
…0100110111111
310222102121020122
43121302212333
5104103430133
65355405155
71262164364
oct331624677
9128377218
1057092543
112a255522
12171537bb
13ba9c791
14782246b
15502b498
hex36729bf

57092543 has 8 divisors (see below), whose sum is σ = 57733248. Its totient is φ = 56455704.

The previous prime is 57092537. The next prime is 57092557. The reversal of 57092543 is 34529075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57092543 - 24 = 57092527 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 (57092533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36230 + ... + 37772.

It is an arithmetic number, because the mean of its divisors is an integer number (7216656).

Almost surely, 257092543 is an apocalyptic number.

57092543 is a deficient number, since it is larger than the sum of its proper divisors (640705).

57092543 is a wasteful number, since it uses less digits than its factorization.

57092543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 57092543 is about 7555.9607595593. The cubic root of 57092543 is about 385.0582764429.

The spelling of 57092543 in words is "fifty-seven million, ninety-two thousand, five hundred forty-three".

Divisors: 1 163 227 1543 37001 251509 350261 57092543