Base | Representation |
---|---|
bin | 11111111110000… |
… | …11000100000100 |
3 | 200200122020211122 |
4 | 33333003010010 |
5 | 1022123421420 |
6 | 42340053112 |
7 | 6434353655 |
oct | 1777030404 |
9 | 620566748 |
10 | 268185860 |
11 | 128425008 |
12 | 75994198 |
13 | 4373c177 |
14 | 2789152c |
15 | 18827725 |
hex | ffc3104 |
268185860 has 24 divisors (see below), whose sum is σ = 565235160. Its totient is φ = 106884864.
The previous prime is 268185859. The next prime is 268185887. The reversal of 268185860 is 68581862.
268185860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 66716224 + 201469636 = 8168^2 + 14194^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18665 + ... + 29744.
It is an arithmetic number, because the mean of its divisors is an integer number (23551465).
Almost surely, 2268185860 is an apocalyptic number.
268185860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268185860 is an abundant number, since it is smaller than the sum of its proper divisors (297049300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268185860 is a wasteful number, since it uses less digits than its factorization.
268185860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48695 (or 48693 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The square root of 268185860 is about 16376.3811631264. The cubic root of 268185860 is about 644.8795801073.
The spelling of 268185860 in words is "two hundred sixty-eight million, one hundred eighty-five thousand, eight hundred sixty".
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