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520106727 = 37215312311
BaseRepresentation
bin11111000000000…
…011001011100111
31100020200011022010
4133000003023213
52031121403402
6123335405303
715613556100
oct3700031347
91306604263
10520106727
1124764a978
12126223833
13839a4c7a
144d10b3a7
15309daa6c
hex1f0032e7

520106727 has 24 divisors (see below), whose sum is σ = 807572352. Its totient is φ = 296881200.

The previous prime is 520106711. The next prime is 520106753. The reversal of 520106727 is 727601025.

It is not a de Polignac number, because 520106727 - 24 = 520106711 is a prime.

It is a super-2 number, since 2×5201067272 = 541022014941305058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520106694 and 520106703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520106767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223902 + ... + 226212.

It is an arithmetic number, because the mean of its divisors is an integer number (33648848).

Almost surely, 2520106727 is an apocalyptic number.

520106727 is a deficient number, since it is larger than the sum of its proper divisors (287465625).

520106727 is a wasteful number, since it uses less digits than its factorization.

520106727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 520106727 is about 22805.8485262005. The cubic root of 520106727 is about 804.2001633387.

The spelling of 520106727 in words is "five hundred twenty million, one hundred six thousand, seven hundred twenty-seven".

Divisors: 1 3 7 21 49 147 1531 2311 4593 6933 10717 16177 32151 48531 75019 113239 225057 339717 3538141 10614423 24766987 74300961 173368909 520106727