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520325012 = 22592204767
BaseRepresentation
bin11111000000111…
…000011110010100
31100021002020201202
4133000320132110
52031200400022
6123344212032
715615455354
oct3700703624
91307066652
10520325012
11247789979
1212630a018
1383a5042c
144d166b64
1530a30592
hex1f038794

520325012 has 12 divisors (see below), whose sum is σ = 926002560. Its totient is φ = 255752856.

The previous prime is 520324951. The next prime is 520325017. The reversal of 520325012 is 210523025.

It is a super-2 number, since 2×5203250122 = 541476236225600288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520325017) 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, 1102148 + ... + 1102619.

It is an arithmetic number, because the mean of its divisors is an integer number (77166880).

Almost surely, 2520325012 is an apocalyptic number.

It is an amenable number.

520325012 is a deficient number, since it is larger than the sum of its proper divisors (405677548).

520325012 is a wasteful number, since it uses less digits than its factorization.

520325012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204830 (or 2204828 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 520325012 is about 22810.6337483201. The cubic root of 520325012 is about 804.3126532509.

Adding to 520325012 its reverse (210523025), we get a palindrome (730848037).

The spelling of 520325012 in words is "five hundred twenty million, three hundred twenty-five thousand, twelve".

Divisors: 1 2 4 59 118 236 2204767 4409534 8819068 130081253 260162506 520325012