Base | Representation |
---|---|
bin | 10001000011110… |
… | …010101110001100 |
3 | 201221112211000002 |
4 | 101003302232030 |
5 | 1041232104420 |
6 | 44222223432 |
7 | 10043501222 |
oct | 2103625614 |
9 | 657484002 |
10 | 286206860 |
11 | 1376134a5 |
12 | 7ba24b78 |
13 | 473ab894 |
14 | 2a022b12 |
15 | 1a1d7075 |
hex | 110f2b8c |
286206860 has 24 divisors (see below), whose sum is σ = 601549200. Its totient is φ = 114384704.
The previous prime is 286206827. The next prime is 286206863. The reversal of 286206860 is 68602682.
286206860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2862068603 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (286206863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20666 + ... + 31614.
It is an arithmetic number, because the mean of its divisors is an integer number (25064550).
Almost surely, 2286206860 is an apocalyptic number.
286206860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
286206860 is an abundant number, since it is smaller than the sum of its proper divisors (315342340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286206860 is a wasteful number, since it uses less digits than its factorization.
286206860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12265 (or 12263 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 286206860 is about 16917.6493639040. The cubic root of 286206860 is about 659.0120357661.
The spelling of 286206860 in words is "two hundred eighty-six million, two hundred six thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •