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520698930 = 23520998269
BaseRepresentation
bin11111000010010…
…011110000110010
31100021210020122120
4133002103300302
52031244331210
6123400215110
715621603453
oct3702236062
91307706576
10520698930
11247a148a4
1212646a496
1383b5169b
144d22312a
1530aa6270
hex1f093c32

520698930 has 32 divisors (see below), whose sum is σ = 1250424000. Its totient is φ = 138770112.

The previous prime is 520698907. The next prime is 520698953. The reversal of 520698930 is 39896025.

It is an interprime number because it is at equal distance from previous prime (520698907) and next prime (520698953).

It is a super-2 number, since 2×5206989302 = 542254751406289800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58836 + ... + 67104.

It is an arithmetic number, because the mean of its divisors is an integer number (39075750).

Almost surely, 2520698930 is an apocalyptic number.

520698930 is an abundant number, since it is smaller than the sum of its proper divisors (729725070).

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

520698930 is a wasteful number, since it uses less digits than its factorization.

520698930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 520698930 is about 22818.8284098899. The cubic root of 520698930 is about 804.5052732218.

The spelling of 520698930 in words is "five hundred twenty million, six hundred ninety-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2099 4198 6297 8269 10495 12594 16538 20990 24807 31485 41345 49614 62970 82690 124035 248070 17356631 34713262 52069893 86783155 104139786 173566310 260349465 520698930