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530868186 = 23229492677
BaseRepresentation
bin11111101001000…
…110011111011010
31100222220220020200
4133221012133122
52041400240221
6124402203030
716104206442
oct3751063732
91328826220
10530868186
11252730142
12129953476
1385ca22b4
145070d122
1531914426
hex1fa467da

530868186 has 12 divisors (see below), whose sum is σ = 1150214442. Its totient is φ = 176956056.

The previous prime is 530868181. The next prime is 530868187. The reversal of 530868186 is 681868035.

It can be written as a sum of positive squares in only one way, i.e., 373842225 + 157025961 = 19335^2 + 12531^2 .

It is not an unprimeable number, because it can be changed into a prime (530868181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14746321 + ... + 14746356.

Almost surely, 2530868186 is an apocalyptic number.

530868186 is an abundant number, since it is smaller than the sum of its proper divisors (619346256).

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

530868186 is a wasteful number, since it uses less digits than its factorization.

530868186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492685 (or 29492682 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 530868186 is about 23040.5769459013. The cubic root of 530868186 is about 809.7088757171.

The spelling of 530868186 in words is "five hundred thirty million, eight hundred sixty-eight thousand, one hundred eighty-six".

Divisors: 1 2 3 6 9 18 29492677 58985354 88478031 176956062 265434093 530868186