Base | Representation |
---|---|
bin | 11111111101011… |
… | …10001101101000 |
3 | 200200110220200112 |
4 | 33332232031220 |
5 | 1022113203311 |
6 | 42334153452 |
7 | 6433546661 |
oct | 1776561550 |
9 | 620426615 |
10 | 268100456 |
11 | 128376928 |
12 | 75952888 |
13 | 4370c330 |
14 | 2786c368 |
15 | 1880c28b |
hex | ffae368 |
268100456 has 16 divisors (see below), whose sum is σ = 541356900. Its totient is φ = 123738624.
The previous prime is 268100453. The next prime is 268100461. The reversal of 268100456 is 654001862.
It can be written as a sum of positive squares in 2 ways, for example, as 229037956 + 39062500 = 15134^2 + 6250^2 .
It is not an unprimeable number, because it can be changed into a prime (268100453) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288841 + ... + 1289048.
Almost surely, 2268100456 is an apocalyptic number.
268100456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
268100456 is an abundant number, since it is smaller than the sum of its proper divisors (273256444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268100456 is a wasteful number, since it uses less digits than its factorization.
268100456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2577908 (or 2577904 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 268100456 is about 16373.7734197099. The cubic root of 268100456 is about 644.8111187015.
The spelling of 268100456 in words is "two hundred sixty-eight million, one hundred thousand, four hundred fifty-six".
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