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57429569 = 307187067
BaseRepresentation
bin1101101100010…
…0111001000001
311000001201120002
43123010321001
5104200221234
65410525345
71265100101
oct333047101
9130051502
1057429569
112a46575a
1217296855
13bb89cc2
1478ad201
15509627e
hex36c4e41

57429569 has 4 divisors (see below), whose sum is σ = 57616944. Its totient is φ = 57242196.

The previous prime is 57429539. The next prime is 57429583. The reversal of 57429569 is 96592475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57429569 is a prime.

It is a super-2 number, since 2×574295692 = 6596310791051522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57429539) 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, 93227 + ... + 93840.

It is an arithmetic number, because the mean of its divisors is an integer number (14404236).

Almost surely, 257429569 is an apocalyptic number.

It is an amenable number.

57429569 is a deficient number, since it is larger than the sum of its proper divisors (187375).

57429569 is a wasteful number, since it uses less digits than its factorization.

57429569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187374.

The product of its digits is 680400, while the sum is 47.

The square root of 57429569 is about 7578.2299384487. The cubic root of 57429569 is about 385.8144763375.

The spelling of 57429569 in words is "fifty-seven million, four hundred twenty-nine thousand, five hundred sixty-nine".

Divisors: 1 307 187067 57429569