Base | Representation |
---|---|
bin | 10010111110111… |
… | …010110110101000 |
3 | 211012021122202021 |
4 | 102332322312220 |
5 | 1123012441010 |
6 | 51334114224 |
7 | 10615032301 |
oct | 2276726650 |
9 | 735248667 |
10 | 318483880 |
11 | 153859720 |
12 | 8a7ab974 |
13 | 50ca0100 |
14 | 304257a8 |
15 | 1ce608da |
hex | 12fbada8 |
318483880 has 96 divisors (see below), whose sum is σ = 846689760. Its totient is φ = 106878720.
The previous prime is 318483857. The next prime is 318483881. The reversal of 318483880 is 88384813.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (318483881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72219 + ... + 76501.
It is an arithmetic number, because the mean of its divisors is an integer number (8819685).
Almost surely, 2318483880 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 318483880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423344880).
318483880 is an abundant number, since it is smaller than the sum of its proper divisors (528205880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
318483880 is a wasteful number, since it uses less digits than its factorization.
318483880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4331 (or 4314 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 43.
The square root of 318483880 is about 17846.1166644175. The cubic root of 318483880 is about 682.9084478780.
The spelling of 318483880 in words is "three hundred eighteen million, four hundred eighty-three thousand, eight hundred eighty".
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