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52863313 = 531576353
BaseRepresentation
bin1100100110101…
…0000101010001
310200110201211111
43021222011101
5102013111223
65125013321
71211221306
oct311520521
9120421744
1052863313
1127926a98
1215854241
13ac4b789
1470410ad
15499330d
hex326a151

52863313 has 8 divisors (see below), whose sum is σ = 54212328. Its totient is φ = 51527424.

The previous prime is 52863311. The next prime is 52863323. The reversal of 52863313 is 31336825.

It can be written as a sum of positive squares in 4 ways, for example, as 7273809 + 45589504 = 2697^2 + 6752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52863313 - 21 = 52863311 is a prime.

It is a super-2 number, since 2×528633132 = 5589059722671938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52863311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (6776541).

It is a vampire number, since it can be written as 63538321 (with its own digits).

Almost surely, 252863313 is an apocalyptic number.

52863313 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

52863313 is a deficient number, since it is larger than the sum of its proper divisors (1349015).

52863313 is a wasteful number, since it uses less digits than its factorization.

52863313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563.

The product of its digits is 12960, while the sum is 31.

The square root of 52863313 is about 7270.7161270400. The cubic root of 52863313 is about 375.3053820588.

The spelling of 52863313 in words is "fifty-two million, eight hundred sixty-three thousand, three hundred thirteen".

Divisors: 1 53 157 6353 8321 336709 997421 52863313