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52809316 = 2271886047
BaseRepresentation
bin1100100101110…
…0111001100100
310200100222202121
43021130321210
5102004344231
65123515324
71210605010
oct311347144
9120328677
1052809316
112789a46a
1215828b44
13ac30021
147029540
154982311
hex325ce64

52809316 has 12 divisors (see below), whose sum is σ = 105618688. Its totient is φ = 22632552.

The previous prime is 52809313. The next prime is 52809329. The reversal of 52809316 is 61390825.

52809316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

52809316 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (52809313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942996 + ... + 943051.

Almost surely, 252809316 is an apocalyptic number.

It is an amenable number.

52809316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52809316 is a wasteful number, since it uses less digits than its factorization.

52809316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886058 (or 1886056 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 52809316 is about 7267.0018577127. The cubic root of 52809316 is about 375.1775538450.

The spelling of 52809316 in words is "fifty-two million, eight hundred nine thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 1886047 3772094 7544188 13202329 26404658 52809316