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520032 = 2535417
BaseRepresentation
bin1111110111101100000
3222102100110
41332331200
5113120112
615051320
74264062
oct1767540
9872313
10520032
11325787
12210b40
13152916
14d7732
15a413c
hex7ef60

520032 has 24 divisors (see below), whose sum is σ = 1365336. Its totient is φ = 173312.

The previous prime is 520031. The next prime is 520043. The reversal of 520032 is 230025.

520032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (56889).

2520032 is an apocalyptic number.

It is an amenable number.

520032 is an abundant number, since it is smaller than the sum of its proper divisors (845304).

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

520032 is a wasteful number, since it uses less digits than its factorization.

520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 520032 is about 721.1324427593. The cubic root of 520032 is about 80.4161646665.

Adding to 520032 its reverse (230025), we get a palindrome (750057).

The spelling of 520032 in words is "five hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 5417 10834 16251 21668 32502 43336 65004 86672 130008 173344 260016 520032