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520460231 is a prime number
BaseRepresentation
bin11111000001011…
…001011111000111
31100021100010012212
4133001121133013
52031214211411
6123351134035
715616560524
oct3701313707
91307303185
10520460231
11247871525
1212637431b
1383a99b45
144d1a014b
1530a5a68b
hex1f0597c7

520460231 has 2 divisors, whose sum is σ = 520460232. Its totient is φ = 520460230.

The previous prime is 520460207. The next prime is 520460233. The reversal of 520460231 is 132064025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520460231 - 218 = 520198087 is a prime.

It is a super-2 number, since 2×5204602312 = 541757704105146722, which contains 22 as substring.

Together with 520460233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 520460197 and 520460206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520460233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260230115 + 260230116.

It is an arithmetic number, because the mean of its divisors is an integer number (260230116).

Almost surely, 2520460231 is an apocalyptic number.

520460231 is a deficient number, since it is larger than the sum of its proper divisors (1).

520460231 is an equidigital number, since it uses as much as digits as its factorization.

520460231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520460231 is about 22813.5975023669. The cubic root of 520460231 is about 804.3823205616.

The spelling of 520460231 in words is "five hundred twenty million, four hundred sixty thousand, two hundred thirty-one".