Base | Representation |
---|---|
bin | 11110000000111100111111 |
3 | 112210202011200 |
4 | 132000330333 |
5 | 4003240343 |
6 | 440350543 |
7 | 123610266 |
oct | 36007477 |
9 | 15722150 |
10 | 7868223 |
11 | 4494570 |
12 | 2775453 |
13 | 182646c |
14 | 108b5dd |
15 | a564d3 |
hex | 780f3f |
7868223 has 48 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 4371840.
The previous prime is 7868219. The next prime is 7868233. The reversal of 7868223 is 3228687.
It is a happy number.
7868223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7868223 - 22 = 7868219 is a prime.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7868233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88363 + ... + 88451.
It is an arithmetic number, because the mean of its divisors is an integer number (280800).
Almost surely, 27868223 is an apocalyptic number.
7868223 is a deficient number, since it is larger than the sum of its proper divisors (5610177).
7868223 is a wasteful number, since it uses less digits than its factorization.
7868223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172 (or 169 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 7868223 is about 2805.0352938956. The cubic root of 7868223 is about 198.8957729667.
It can be divided in two parts, 786 and 8223, that added together give a palindrome (9009).
The spelling of 7868223 in words is "seven million, eight hundred sixty-eight thousand, two hundred twenty-three".
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