Base | Representation |
---|---|
bin | 10010111001111… |
… | …111111111101111 |
3 | 211002212010200012 |
4 | 102321333333233 |
5 | 1122200203343 |
6 | 51250323435 |
7 | 10601051333 |
oct | 2271777757 |
9 | 732763605 |
10 | 317194223 |
11 | 153058795 |
12 | 8a28957b |
13 | 5093b0b8 |
14 | 301ab7c3 |
15 | 1cca8718 |
hex | 12e7ffef |
317194223 has 2 divisors, whose sum is σ = 317194224. Its totient is φ = 317194222.
The previous prime is 317194217. The next prime is 317194249. The reversal of 317194223 is 322491713.
It is a weak prime.
It is an emirp because it is prime and its reverse (322491713) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 317194223 - 216 = 317128687 is a prime.
It is a super-2 number, since 2×3171942232 = 201224350209147458, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 317194223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (317194253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158597111 + 158597112.
It is an arithmetic number, because the mean of its divisors is an integer number (158597112).
Almost surely, 2317194223 is an apocalyptic number.
317194223 is a deficient number, since it is larger than the sum of its proper divisors (1).
317194223 is an equidigital number, since it uses as much as digits as its factorization.
317194223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9072, while the sum is 32.
The square root of 317194223 is about 17809.9473048069. The cubic root of 317194223 is about 681.9854193470.
The spelling of 317194223 in words is "three hundred seventeen million, one hundred ninety-four thousand, two hundred twenty-three".
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