Base | Representation |
---|---|
bin | 10000000000101… |
… | …010000101000000 |
3 | 200201102200122100 |
4 | 100000222011000 |
5 | 1022230422213 |
6 | 42353110400 |
7 | 6441062100 |
oct | 2000520500 |
9 | 621380570 |
10 | 268607808 |
11 | 128693027 |
12 | 75b58400 |
13 | 43859241 |
14 | 27961200 |
15 | 188ac773 |
hex | 1002a140 |
268607808 has 252 divisors, whose sum is σ = 927518592. Its totient is φ = 74027520.
The previous prime is 268607797. The next prime is 268607809. The reversal of 268607808 is 808706862.
It is a tau number, because it is divible by the number of its divisors (252).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268607809) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 874791 + ... + 875097.
Almost surely, 2268607808 is an apocalyptic number.
268607808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 268607808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463759296).
268607808 is an abundant number, since it is smaller than the sum of its proper divisors (658910784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268607808 is a wasteful number, since it uses less digits than its factorization.
268607808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370 (or 350 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 268607808 is about 16389.2589216230. The cubic root of 268607808 is about 645.2176082054.
The spelling of 268607808 in words is "two hundred sixty-eight million, six hundred seven thousand, eight hundred eight".
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