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520410012 = 223118136721
BaseRepresentation
bin11111000001001…
…101001110011100
31100021020120022220
4133001031032130
52031211110022
6123350105340
715616261233
oct3701151634
91307216286
10520410012
11247837821
1212634b250
1383a80025
144d189b1a
1530a4a85c
hex1f04d39c

520410012 has 24 divisors (see below), whose sum is σ = 1215351312. Its totient is φ = 173318400.

The previous prime is 520409977. The next prime is 520410041. The reversal of 520410012 is 210014025.

It is a junction number, because it is equal to n+sod(n) for n = 520409973 and 520410000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189 + ... + 32532.

It is an arithmetic number, because the mean of its divisors is an integer number (50639638).

Almost surely, 2520410012 is an apocalyptic number.

It is an amenable number.

520410012 is an abundant number, since it is smaller than the sum of its proper divisors (694941300).

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

520410012 is a wasteful number, since it uses less digits than its factorization.

520410012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37909 (or 37907 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 520410012 is about 22812.4968383559. The cubic root of 520410012 is about 804.3564482197.

Adding to 520410012 its reverse (210014025), we get a palindrome (730424037).

The spelling of 520410012 in words is "five hundred twenty million, four hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 1181 2362 3543 4724 7086 14172 36721 73442 110163 146884 220326 440652 43367501 86735002 130102503 173470004 260205006 520410012