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520868027 = 1369338039
BaseRepresentation
bin11111000010111…
…101000010111011
31100022002211121102
4133002331002323
52031320234102
6123404002015
715623206451
oct3702750273
91308084542
10520868027
1124801a949
1212653030b
1383bb0644
144d2689d1
1530adb402
hex1f0bd0bb

520868027 has 4 divisors (see below), whose sum is σ = 520919760. Its totient is φ = 520816296.

The previous prime is 520868011. The next prime is 520868039. The reversal of 520868027 is 720868025.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 520868027 - 24 = 520868011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520864027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327 + ... + 32712.

It is an arithmetic number, because the mean of its divisors is an integer number (130229940).

Almost surely, 2520868027 is an apocalyptic number.

520868027 is a deficient number, since it is larger than the sum of its proper divisors (51733).

520868027 is a wasteful number, since it uses less digits than its factorization.

520868027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51732.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 520868027 is about 22822.5333168779. The cubic root of 520868027 is about 804.5923515037.

The spelling of 520868027 in words is "five hundred twenty million, eight hundred sixty-eight thousand, twenty-seven".

Divisors: 1 13693 38039 520868027