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52831265 = 510566253
BaseRepresentation
bin1100100110001…
…0010000100001
310200102002212112
43021202100201
5102011100030
65124205105
71211026004
oct311422041
9120362775
1052831265
1127904a03
1215839795
13ac3a006
14703353b
154988a95
hex3262421

52831265 has 4 divisors (see below), whose sum is σ = 63397524. Its totient is φ = 42265008.

The previous prime is 52831249. The next prime is 52831277. The reversal of 52831265 is 56213825.

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 7011904 + 45819361 = 2648^2 + 6769^2 .

It is a cyclic number.

It is not a de Polignac number, because 52831265 - 24 = 52831249 is a prime.

It is a super-2 number, since 2×528312652 = 5582285123000450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5283122 + ... + 5283131.

It is an arithmetic number, because the mean of its divisors is an integer number (15849381).

Almost surely, 252831265 is an apocalyptic number.

It is an amenable number.

52831265 is a deficient number, since it is larger than the sum of its proper divisors (10566259).

52831265 is a wasteful number, since it uses less digits than its factorization.

52831265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566258.

The product of its digits is 14400, while the sum is 32.

The square root of 52831265 is about 7268.5118834601. The cubic root of 52831265 is about 375.2295246723.

The spelling of 52831265 in words is "fifty-two million, eight hundred thirty-one thousand, two hundred sixty-five".

Divisors: 1 5 10566253 52831265