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52992756 = 22321472021
BaseRepresentation
bin1100101000100…
…1101011110100
310200201022101200
43022021223310
5102031232011
65131452500
71212300555
oct312115364
9120638350
1052992756
1127a05273
12158b7130
13ac9567b
14707632c
1549bb856
hex3289af4

52992756 has 18 divisors (see below), whose sum is σ = 133954002. Its totient is φ = 17664240.

The previous prime is 52992707. The next prime is 52992763. The reversal of 52992756 is 65729925.

52992756 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 only one way, i.e., 52707600 + 285156 = 7260^2 + 534^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 735975 + ... + 736046.

It is an arithmetic number, because the mean of its divisors is an integer number (7441889).

Almost surely, 252992756 is an apocalyptic number.

It is an amenable number.

52992756 is an abundant number, since it is smaller than the sum of its proper divisors (80961246).

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

52992756 is a wasteful number, since it uses less digits than its factorization.

52992756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472031 (or 1472026 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 52992756 is about 7279.6123523166. The cubic root of 52992756 is about 375.6114610990.

The spelling of 52992756 in words is "fifty-two million, nine hundred ninety-two thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1472021 2944042 4416063 5888084 8832126 13248189 17664252 26496378 52992756