Base | Representation |
---|---|
bin | 11111111111101… |
… | …11000001010000 |
3 | 200201001001202120 |
4 | 33333313001100 |
5 | 1022202224142 |
6 | 42344414240 |
7 | 6436231263 |
oct | 1777670120 |
9 | 621031676 |
10 | 268398672 |
11 | 12855a993 |
12 | 75a77380 |
13 | 437b4ca9 |
14 | 27908cda |
15 | 1886a7ec |
hex | fff7050 |
268398672 has 40 divisors (see below), whose sum is σ = 694506144. Its totient is φ = 89318784.
The previous prime is 268398659. The next prime is 268398679. The reversal of 268398672 is 276893862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268398679) 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 7 ways as a sum of consecutive naturals, for example, 27063 + ... + 35625.
Almost surely, 2268398672 is an apocalyptic number.
It is an amenable number.
268398672 is an abundant number, since it is smaller than the sum of its proper divisors (426107472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268398672 is a wasteful number, since it uses less digits than its factorization.
268398672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9227 (or 9221 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 51.
The square root of 268398672 is about 16382.8774029473. The cubic root of 268398672 is about 645.0501108835.
It can be divided in two parts, 26839 and 8672, that added together give a triangular number (35511 = T266).
The spelling of 268398672 in words is "two hundred sixty-eight million, three hundred ninety-eight thousand, six hundred seventy-two".
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