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57050711 = 193002669
BaseRepresentation
bin1101100110100…
…0011001010111
310222100110212022
43121220121113
5104101110321
65354443355
71261631414
oct331503127
9128313768
1057050711
112a227053
121713355b
13ba86723
14781110b
15501ddab
hex3668657

57050711 has 4 divisors (see below), whose sum is σ = 60053400. Its totient is φ = 54048024.

The previous prime is 57050687. The next prime is 57050717. The reversal of 57050711 is 11705075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57050711 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 (57050717) 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, 1501316 + ... + 1501353.

It is an arithmetic number, because the mean of its divisors is an integer number (15013350).

Almost surely, 257050711 is an apocalyptic number.

57050711 is a deficient number, since it is larger than the sum of its proper divisors (3002689).

57050711 is a wasteful number, since it uses less digits than its factorization.

57050711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002688.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 57050711 is about 7553.1921066527. The cubic root of 57050711 is about 384.9642087378.

Adding to 57050711 its reverse (11705075), we get a palindrome (68755786).

The spelling of 57050711 in words is "fifty-seven million, fifty thousand, seven hundred eleven".

Divisors: 1 19 3002669 57050711