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520163319 = 31321163211
BaseRepresentation
bin11111000000010…
…000111111110111
31100020210000221010
4133000100333313
52031130211234
6123340523303
715614213064
oct3700207767
91306700833
10520163319
11247689445
12126250533
13839c4960
144d123c6b
15309ec6e9
hex1f010ff7

520163319 has 16 divisors (see below), whose sum is σ = 750452864. Its totient is φ = 318578400.

The previous prime is 520163309. The next prime is 520163327. The reversal of 520163319 is 913361025.

It is not a de Polignac number, because 520163319 - 27 = 520163191 is a prime.

It is a super-2 number, since 2×5201633192 = 541139756866191522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520163309) 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 15 ways as a sum of consecutive naturals, for example, 23377 + ... + 39834.

It is an arithmetic number, because the mean of its divisors is an integer number (46903304).

Almost surely, 2520163319 is an apocalyptic number.

520163319 is a deficient number, since it is larger than the sum of its proper divisors (230289545).

520163319 is a wasteful number, since it uses less digits than its factorization.

520163319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63438.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 520163319 is about 22807.0892268172. The cubic root of 520163319 is about 804.2293302018.

The spelling of 520163319 in words is "five hundred twenty million, one hundred sixty-three thousand, three hundred nineteen".

Divisors: 1 3 13 39 211 633 2743 8229 63211 189633 821743 2465229 13337521 40012563 173387773 520163319