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520616032 = 2541537487
BaseRepresentation
bin11111000001111…
…111100001100000
31100021122000221021
4133001333201200
52031234203112
6123354335224
715621106666
oct3701774140
91307560837
10520616032
11247968592
1212642a514
1383b22a31
144d200c36
1530a8b907
hex1f07f860

520616032 has 48 divisors (see below), whose sum is σ = 1069915392. Its totient is φ = 249134080.

The previous prime is 520616027. The next prime is 520616051. The reversal of 520616032 is 230616025.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 520615988 and 520616006.

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, 65793 + ... + 73279.

It is an arithmetic number, because the mean of its divisors is an integer number (22289904).

Almost surely, 2520616032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520616032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534957696).

520616032 is an abundant number, since it is smaller than the sum of its proper divisors (549299360).

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

520616032 is a wasteful number, since it uses less digits than its factorization.

520616032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591 (or 7583 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 520616032 is about 22817.0118990196. The cubic root of 520616032 is about 804.4625771366.

The spelling of 520616032 in words is "five hundred twenty million, six hundred sixteen thousand, thirty-two".

Divisors: 1 2 4 8 16 32 41 53 82 106 164 212 328 424 656 848 1312 1696 2173 4346 7487 8692 14974 17384 29948 34768 59896 69536 119792 239584 306967 396811 613934 793622 1227868 1587244 2455736 3174488 4911472 6348976 9822944 12697952 16269251 32538502 65077004 130154008 260308016 520616032