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52912868 = 2253249589
BaseRepresentation
bin1100100111011…
…0001011100100
310200120020210212
43021312023210
5102021202433
65130034552
71211515631
oct311661344
9120506725
1052912868
1127960248
1215878a58
13ac681b8
147055188
1549a2d48
hex32762e4

52912868 has 12 divisors (see below), whose sum is σ = 94345020. Its totient is φ = 25957152.

The previous prime is 52912861. The next prime is 52912879. The reversal of 52912868 is 86821925.

52912868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 23406244 = 5432^2 + 4838^2 .

It is not an unprimeable number, because it can be changed into a prime (52912861) 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, 124583 + ... + 125006.

It is an arithmetic number, because the mean of its divisors is an integer number (7862085).

Almost surely, 252912868 is an apocalyptic number.

It is an amenable number.

52912868 is a deficient number, since it is larger than the sum of its proper divisors (41432152).

52912868 is a wasteful number, since it uses less digits than its factorization.

52912868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249646 (or 249644 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 52912868 is about 7274.1231774008. The cubic root of 52912868 is about 375.4226180569.

The spelling of 52912868 in words is "fifty-two million, nine hundred twelve thousand, eight hundred sixty-eight".

Divisors: 1 2 4 53 106 212 249589 499178 998356 13228217 26456434 52912868