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264382231 is a prime number
BaseRepresentation
bin11111100001000…
…10011100010111
3200102111000020111
433300202130113
51020140212411
642122343451
76360132451
oct1760423427
9612430214
10264382231
11126267313
127465ab87
1342a09ab9
14271812d1
1518325721
hexfc22717

264382231 has 2 divisors, whose sum is σ = 264382232. Its totient is φ = 264382230.

The previous prime is 264382211. The next prime is 264382247. The reversal of 264382231 is 132283462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264382231 - 219 = 263857943 is a prime.

It is a super-2 number, since 2×2643822312 = 139795928137074722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264382193 and 264382202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264382211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132191115 + 132191116.

It is an arithmetic number, because the mean of its divisors is an integer number (132191116).

Almost surely, 2264382231 is an apocalyptic number.

264382231 is a deficient number, since it is larger than the sum of its proper divisors (1).

264382231 is an equidigital number, since it uses as much as digits as its factorization.

264382231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 264382231 is about 16259.8349007608. The cubic root of 264382231 is about 641.8163174726.

The spelling of 264382231 in words is "two hundred sixty-four million, three hundred eighty-two thousand, two hundred thirty-one".