Base | Representation |
---|---|
bin | 10011000110001… |
… | …000011000101111 |
3 | 211022211200221112 |
4 | 103012020120233 |
5 | 1124003434234 |
6 | 51442422235 |
7 | 10640064626 |
oct | 2306103057 |
9 | 738750845 |
10 | 320374319 |
11 | 15492aa71 |
12 | 8b36197b |
13 | 514b2705 |
14 | 307986bd |
15 | 1d1d5ace |
hex | 1318862f |
320374319 has 2 divisors, whose sum is σ = 320374320. Its totient is φ = 320374318.
The previous prime is 320374283. The next prime is 320374349. The reversal of 320374319 is 913473023.
It is a strong prime.
It is an emirp because it is prime and its reverse (913473023) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 320374319 - 224 = 303597103 is a prime.
It is a super-2 number, since 2×3203743192 = 205279408549427522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (320374349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160187159 + 160187160.
It is an arithmetic number, because the mean of its divisors is an integer number (160187160).
Almost surely, 2320374319 is an apocalyptic number.
320374319 is a deficient number, since it is larger than the sum of its proper divisors (1).
320374319 is an equidigital number, since it uses as much as digits as its factorization.
320374319 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 320374319 is about 17899.0032962732. The cubic root of 320374319 is about 684.2569732843.
The spelling of 320374319 in words is "three hundred twenty million, three hundred seventy-four thousand, three hundred nineteen".
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