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319094449 is a prime number
BaseRepresentation
bin10011000001001…
…111111010110001
3211020102200021221
4103001033322301
51123142010244
651355145041
710623154342
oct2301177261
9736380257
10319094449
11154136423
128aa45181
1351154cab
14305440c9
151d031784
hex1304feb1

319094449 has 2 divisors, whose sum is σ = 319094450. Its totient is φ = 319094448.

The previous prime is 319094429. The next prime is 319094467. The reversal of 319094449 is 944490913.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294740224 + 24354225 = 17168^2 + 4935^2 .

It is a cyclic number.

It is not a de Polignac number, because 319094449 - 29 = 319093937 is a prime.

It is a super-2 number, since 2×3190944492 = 203642534765227202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319094429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159547224 + 159547225.

It is an arithmetic number, because the mean of its divisors is an integer number (159547225).

Almost surely, 2319094449 is an apocalyptic number.

It is an amenable number.

319094449 is a deficient number, since it is larger than the sum of its proper divisors (1).

319094449 is an equidigital number, since it uses as much as digits as its factorization.

319094449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 319094449 is about 17863.2149681965. The cubic root of 319094449 is about 683.3445730982.

The spelling of 319094449 in words is "three hundred nineteen million, ninety-four thousand, four hundred forty-nine".