Base | Representation |
---|---|
bin | 10010111100011… |
… | …110100110011000 |
3 | 211011002010210222 |
4 | 102330132212120 |
5 | 1122332000424 |
6 | 51312255212 |
7 | 10606425332 |
oct | 2274364630 |
9 | 734063728 |
10 | 317843864 |
11 | 153461888 |
12 | 8a541508 |
13 | 50b079c0 |
14 | 302da452 |
15 | 1cd85e5e |
hex | 12f1e998 |
317843864 has 32 divisors (see below), whose sum is σ = 645200640. Its totient is φ = 145920000.
The previous prime is 317843863. The next prime is 317843879. The reversal of 317843864 is 468348713.
317843864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317843863) 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, 11864 + ... + 27864.
It is an arithmetic number, because the mean of its divisors is an integer number (20162520).
Almost surely, 2317843864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 317843864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322600320).
317843864 is an abundant number, since it is smaller than the sum of its proper divisors (327356776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317843864 is a wasteful number, since it uses less digits than its factorization.
317843864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16211 (or 16207 counting only the distinct ones).
The product of its digits is 387072, while the sum is 44.
The square root of 317843864 is about 17828.1761265700. The cubic root of 317843864 is about 682.4506900825.
The spelling of 317843864 in words is "three hundred seventeen million, eight hundred forty-three thousand, eight hundred sixty-four".
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