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520702075 = 52131158993
BaseRepresentation
bin11111000010010…
…100100001111011
31100021210101222001
4133002110201323
52031244431300
6123400241431
715621615565
oct3702244173
91307711861
10520702075
11247a171a3
12126470277
1383b52c4a
144d224335
1530aa716a
hex1f09487b

520702075 has 12 divisors (see below), whose sum is σ = 650603448. Its totient is φ = 413379200.

The previous prime is 520702069. The next prime is 520702097. The reversal of 520702075 is 570207025.

It is not a de Polignac number, because 520702075 - 29 = 520701563 is a prime.

It is a super-2 number, since 2×5207020752 = 542261301818611250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76222 + ... + 82771.

It is an arithmetic number, because the mean of its divisors is an integer number (54216954).

Almost surely, 2520702075 is an apocalyptic number.

520702075 is a deficient number, since it is larger than the sum of its proper divisors (129901373).

520702075 is a wasteful number, since it uses less digits than its factorization.

520702075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159134 (or 159129 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 520702075 is about 22818.8973221758. The cubic root of 520702075 is about 804.5068929448.

It can be divided in two parts, 52070 and 2075, that added together give a palindrome (54145).

The spelling of 520702075 in words is "five hundred twenty million, seven hundred two thousand, seventy-five".

Divisors: 1 5 25 131 655 3275 158993 794965 3974825 20828083 104140415 520702075