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704071231 is a prime number
BaseRepresentation
bin101001111101110…
…100011000111111
31211001211112011021
4221331310120333
52420220234411
6153510405011
723306335543
oct5175643077
91731745137
10704071231
11331480156
12177960767
13b2b364c6
1469717a23
1541c28a71
hex29f7463f

704071231 has 2 divisors, whose sum is σ = 704071232. Its totient is φ = 704071230.

The previous prime is 704071217. The next prime is 704071237. The reversal of 704071231 is 132170407.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (132170407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704071231 - 223 = 695682623 is a prime.

It is a super-2 number, since 2×7040712312 = 991432596643710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 704071196 and 704071205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704071237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352035615 + 352035616.

It is an arithmetic number, because the mean of its divisors is an integer number (352035616).

Almost surely, 2704071231 is an apocalyptic number.

704071231 is a deficient number, since it is larger than the sum of its proper divisors (1).

704071231 is an equidigital number, since it uses as much as digits as its factorization.

704071231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 704071231 is about 26534.3405985527. The cubic root of 704071231 is about 889.6220383079.

The spelling of 704071231 in words is "seven hundred four million, seventy-one thousand, two hundred thirty-one".