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306424319 is a prime number
BaseRepresentation
bin10010010000111…
…010100111111111
3210100120222010212
4102100322213333
51111421034234
650223423035
710410364235
oct2220724777
9710528125
10306424319
11147a72143
1286754a7b
134b639c86
142c9a6955
151bd7c5ce
hex1243a9ff

306424319 has 2 divisors, whose sum is σ = 306424320. Its totient is φ = 306424318.

The previous prime is 306424301. The next prime is 306424351. The reversal of 306424319 is 913424603.

It is an a-pointer prime, because the next prime (306424351) can be obtained adding 306424319 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 306424319 - 224 = 289647103 is a prime.

It is a super-2 number, since 2×3064243192 = 187791726549227522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306424399) 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, 153212159 + 153212160.

It is an arithmetic number, because the mean of its divisors is an integer number (153212160).

Almost surely, 2306424319 is an apocalyptic number.

306424319 is a deficient number, since it is larger than the sum of its proper divisors (1).

306424319 is an equidigital number, since it uses as much as digits as its factorization.

306424319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 306424319 is about 17504.9798343214. The cubic root of 306424319 is about 674.1777415164.

The spelling of 306424319 in words is "three hundred six million, four hundred twenty-four thousand, three hundred nineteen".