Base | Representation |
---|---|
bin | 10011000001111… |
… | …110011010000100 |
3 | 211020210100111111 |
4 | 103001332122010 |
5 | 1123214103433 |
6 | 51403214404 |
7 | 10624606450 |
oct | 2301763204 |
9 | 736710444 |
10 | 319284868 |
11 | 1542564a1 |
12 | 8ab17404 |
13 | 511c0876 |
14 | 30593660 |
15 | 1d06cdcd |
hex | 1307e684 |
319284868 has 24 divisors (see below), whose sum is σ = 640200512. Its totient is φ = 136486944.
The previous prime is 319284857. The next prime is 319284869. The reversal of 319284868 is 868482913.
It is not an unprimeable number, because it can be changed into a prime (319284869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246 + ... + 25477.
Almost surely, 2319284868 is an apocalyptic number.
It is an amenable number.
319284868 is an abundant number, since it is smaller than the sum of its proper divisors (320915644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
319284868 is a wasteful number, since it uses less digits than its factorization.
319284868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29131 (or 29129 counting only the distinct ones).
The product of its digits is 663552, while the sum is 49.
The square root of 319284868 is about 17868.5440929025. The cubic root of 319284868 is about 683.4804742564.
The spelling of 319284868 in words is "three hundred nineteen million, two hundred eighty-four thousand, eight hundred sixty-eight".
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