Base | Representation |
---|---|
bin | 10010111011111… |
… | …000100100010100 |
3 | 211010210020010100 |
4 | 102323320210110 |
5 | 1122312004314 |
6 | 51305054100 |
7 | 10605206220 |
oct | 2273704424 |
9 | 733706110 |
10 | 317688084 |
11 | 15336583a |
12 | 8a487330 |
13 | 50a81b1c |
14 | 30299780 |
15 | 1cd54c09 |
hex | 12ef8914 |
317688084 has 72 divisors (see below), whose sum is σ = 919638720. Its totient is φ = 90582912.
The previous prime is 317688083. The next prime is 317688103. The reversal of 317688084 is 480886713.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (317688083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165112 + ... + 167024.
It is an arithmetic number, because the mean of its divisors is an integer number (12772760).
Almost surely, 2317688084 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 317688084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459819360).
317688084 is an abundant number, since it is smaller than the sum of its proper divisors (601950636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317688084 is a wasteful number, since it uses less digits than its factorization.
317688084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2589 (or 2584 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 317688084 is about 17823.8066641220. The cubic root of 317688084 is about 682.3391787885.
The spelling of 317688084 in words is "three hundred seventeen million, six hundred eighty-eight thousand, eighty-four".
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