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520029216 = 253273153157
BaseRepresentation
bin11110111111110…
…000010000100000
31100020112012222100
4132333300100200
52031111413331
6123334010400
715613114110
oct3677602040
91306465870
10520029216
112475a7713
121261a6a00
13839788c5
144d0cb040
15309c2ae6
hex1eff0420

520029216 has 288 divisors, whose sum is σ = 1788853248. Its totient is φ = 140175360.

The previous prime is 520029193. The next prime is 520029227. The reversal of 520029216 is 612920025.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 520029216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3312210 + ... + 3312366.

It is an arithmetic number, because the mean of its divisors is an integer number (6211296).

Almost surely, 2520029216 is an apocalyptic number.

520029216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520029216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894426624).

520029216 is an abundant number, since it is smaller than the sum of its proper divisors (1268824032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520029216 is a wasteful number, since it uses less digits than its factorization.

520029216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 520029216 is about 22804.1490961623. The cubic root of 520029216 is about 804.1602116311.

The spelling of 520029216 in words is "five hundred twenty million, twenty-nine thousand, two hundred sixteen".