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520838230 = 25114734893
BaseRepresentation
bin11111000010110…
…101110001010110
31100022001022201211
4133002311301112
52031313310410
6123403212034
715623023543
oct3702656126
91308038654
10520838230
11247aaa520
1212651701a
1383b9cc03
144d25bbca
1530ad268a
hex1f0b5c56

520838230 has 16 divisors (see below), whose sum is σ = 1022737104. Its totient is φ = 189395680.

The previous prime is 520838209. The next prime is 520838239. The reversal of 520838230 is 32838025.

It is a junction number, because it is equal to n+sod(n) for n = 520838192 and 520838201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520838239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367337 + ... + 2367556.

It is an arithmetic number, because the mean of its divisors is an integer number (63921069).

Almost surely, 2520838230 is an apocalyptic number.

520838230 is a deficient number, since it is larger than the sum of its proper divisors (501898874).

520838230 is a wasteful number, since it uses less digits than its factorization.

520838230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734911.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 520838230 is about 22821.8805097214. The cubic root of 520838230 is about 804.5770085926.

The spelling of 520838230 in words is "five hundred twenty million, eight hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 4734893 9469786 23674465 47348930 52083823 104167646 260419115 520838230