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52331057 = 271319289
BaseRepresentation
bin1100011110100…
…0001000110001
310122110200201022
43013220020301
5101344043212
65105345225
71203543452
oct307501061
9118420638
1052331057
11275a3109
1215638215
13aac342c
146d43129
1548da772
hex31e8231

52331057 has 4 divisors (see below), whose sum is σ = 52353060. Its totient is φ = 52309056.

The previous prime is 52331039. The next prime is 52331063. The reversal of 52331057 is 75013325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46185616 + 6145441 = 6796^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 52331057 - 212 = 52326961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52331017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (13088265).

Almost surely, 252331057 is an apocalyptic number.

It is an amenable number.

52331057 is a deficient number, since it is larger than the sum of its proper divisors (22003).

52331057 is a wasteful number, since it uses less digits than its factorization.

52331057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 52331057 is about 7234.0208045042. The cubic root of 52331057 is about 374.0415393251.

The spelling of 52331057 in words is "fifty-two million, three hundred thirty-one thousand, fifty-seven".

Divisors: 1 2713 19289 52331057