Base | Representation |
---|---|
bin | 11111111111010… |
… | …00010011010001 |
3 | 200200221000001201 |
4 | 33333220103101 |
5 | 1022143312020 |
6 | 42343231201 |
7 | 6435560440 |
oct | 1777502321 |
9 | 620830051 |
10 | 268338385 |
11 | 128519667 |
12 | 75a48501 |
13 | 43793713 |
14 | 278d0d57 |
15 | 18857a0a |
hex | ffe84d1 |
268338385 has 16 divisors (see below), whose sum is σ = 368381952. Its totient is φ = 183816000.
The previous prime is 268338379. The next prime is 268338403. The reversal of 268338385 is 583833862.
It is not a de Polignac number, because 268338385 - 29 = 268337873 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 36955 + ... + 43615.
It is an arithmetic number, because the mean of its divisors is an integer number (23023872).
Almost surely, 2268338385 is an apocalyptic number.
It is an amenable number.
268338385 is a deficient number, since it is larger than the sum of its proper divisors (100043567).
268338385 is a wasteful number, since it uses less digits than its factorization.
268338385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7824.
The product of its digits is 829440, while the sum is 46.
The square root of 268338385 is about 16381.0373603139. The cubic root of 268338385 is about 645.0018107835.
The spelling of 268338385 in words is "two hundred sixty-eight million, three hundred thirty-eight thousand, three hundred eighty-five".
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