Base | Representation |
---|---|
bin | 10010111011111… |
… | …110011101111101 |
3 | 211010211110021111 |
4 | 102323332131331 |
5 | 1122313243003 |
6 | 51305402021 |
7 | 10605336535 |
oct | 2273763575 |
9 | 733743244 |
10 | 317712253 |
11 | 153381a11 |
12 | 8a499311 |
13 | 50a8cb21 |
14 | 302a44c5 |
15 | 1cd5be6d |
hex | 12efe77d |
317712253 has 8 divisors (see below), whose sum is σ = 320391000. Its totient is φ = 315041088.
The previous prime is 317712247. The next prime is 317712257. The reversal of 317712253 is 352217713.
It can be written as a sum of positive squares in 4 ways, for example, as 131744484 + 185967769 = 11478^2 + 13637^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 317712253 - 25 = 317712221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317712257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107763 + ... + 110671.
It is an arithmetic number, because the mean of its divisors is an integer number (40048875).
Almost surely, 2317712253 is an apocalyptic number.
It is an amenable number.
317712253 is a deficient number, since it is larger than the sum of its proper divisors (2678747).
317712253 is a wasteful number, since it uses less digits than its factorization.
317712253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3791.
The product of its digits is 8820, while the sum is 31.
The square root of 317712253 is about 17824.4846489316. The cubic root of 317712253 is about 682.3564819634.
Adding to 317712253 its reverse (352217713), we get a palindrome (669929966).
The spelling of 317712253 in words is "three hundred seventeen million, seven hundred twelve thousand, two hundred fifty-three".
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