Base | Representation |
---|---|
bin | 11111111101000… |
… | …00011110011101 |
3 | 200200101001111120 |
4 | 33332200132131 |
5 | 1022104403224 |
6 | 42333041153 |
7 | 6433223640 |
oct | 1776403635 |
9 | 620331446 |
10 | 268044189 |
11 | 128338626 |
12 | 759261b9 |
13 | 436bc83a |
14 | 27855a57 |
15 | 187ea779 |
hex | ffa079d |
268044189 has 16 divisors (see below), whose sum is σ = 412199040. Its totient is φ = 151761600.
The previous prime is 268044163. The next prime is 268044193. The reversal of 268044189 is 981440862.
It is not a de Polignac number, because 268044189 - 25 = 268044157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 268044189.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268044109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56262 + ... + 60839.
It is an arithmetic number, because the mean of its divisors is an integer number (25762440).
Almost surely, 2268044189 is an apocalyptic number.
It is an amenable number.
268044189 is a deficient number, since it is larger than the sum of its proper divisors (144154851).
268044189 is a wasteful number, since it uses less digits than its factorization.
268044189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117220.
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 268044189 is about 16372.0551245102. The cubic root of 268044189 is about 644.7660061018.
The spelling of 268044189 in words is "two hundred sixty-eight million, forty-four thousand, one hundred eighty-nine".
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