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52505359 = 165731687
BaseRepresentation
bin1100100001001…
…0101100001111
310122210112210221
43020102230033
5101420132414
65113212211
71205200564
oct310225417
9118715727
1052505359
1127702065
1215701067
13ab5487a
146d8a86b
154922224
hex3212b0f

52505359 has 4 divisors (see below), whose sum is σ = 52538704. Its totient is φ = 52472016.

The previous prime is 52505347. The next prime is 52505363. The reversal of 52505359 is 95350525.

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 52505359 - 225 = 18950927 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 (52505329) 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, 14187 + ... + 17500.

It is an arithmetic number, because the mean of its divisors is an integer number (13134676).

Almost surely, 252505359 is an apocalyptic number.

52505359 is a deficient number, since it is larger than the sum of its proper divisors (33345).

52505359 is a wasteful number, since it uses less digits than its factorization.

52505359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33344.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 52505359 is about 7246.0581697914. The cubic root of 52505359 is about 374.4563595202.

It can be divided in two parts, 5250 and 5359, that added together give a square (10609 = 1032).

The spelling of 52505359 in words is "fifty-two million, five hundred five thousand, three hundred fifty-nine".

Divisors: 1 1657 31687 52505359