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808327213 is a prime number
BaseRepresentation
bin110000001011100…
…001100000101101
32002100000021110221
4300023201200231
53123412432323
6212113131341
726013445051
oct6013414055
92070007427
10808327213
11385309221
121a6859b51
13cb60a235
14794d5c61
154ae6e55d
hex302e182d

808327213 has 2 divisors, whose sum is σ = 808327214. Its totient is φ = 808327212.

The previous prime is 808327193. The next prime is 808327231. The reversal of 808327213 is 312723808.

Together with next prime (808327231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727812484 + 80514729 = 26978^2 + 8973^2 .

It is a cyclic number.

It is not a de Polignac number, because 808327213 - 225 = 774772781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808327913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404163606 + 404163607.

It is an arithmetic number, because the mean of its divisors is an integer number (404163607).

Almost surely, 2808327213 is an apocalyptic number.

It is an amenable number.

808327213 is a deficient number, since it is larger than the sum of its proper divisors (1).

808327213 is an equidigital number, since it uses as much as digits as its factorization.

808327213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 808327213 is about 28431.0958810947. The cubic root of 808327213 is about 931.5276134748.

The spelling of 808327213 in words is "eight hundred eight million, three hundred twenty-seven thousand, two hundred thirteen".