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520034256 = 24347219431
BaseRepresentation
bin11110111111110…
…001011111010000
31100020112110220000
4132333301133100
52031112044011
6123334050000
715613134600
oct3677613720
91306473800
10520034256
11247600485
121261a9900
138397aca1
144d0ccc00
15309c4356
hex1eff17d0

520034256 has 300 divisors, whose sum is σ = 1847292480. Its totient is φ = 140434560.

The previous prime is 520034243. The next prime is 520034257. The reversal of 520034256 is 652430025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520034257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1206361 + ... + 1206791.

Almost surely, 2520034256 is an apocalyptic number.

520034256 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 520034256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923646240).

520034256 is an abundant number, since it is smaller than the sum of its proper divisors (1327258224).

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

520034256 is a wasteful number, since it uses less digits than its factorization.

520034256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 520034256 is about 22804.2596021007. The cubic root of 520034256 is about 804.1628095328.

The spelling of 520034256 in words is "five hundred twenty million, thirty-four thousand, two hundred fifty-six".