Base | Representation |
---|---|
bin | 100000001001… |
… | …011011010111 |
3 | 120212010222101 |
4 | 200021123113 |
5 | 4124132343 |
6 | 500342531 |
7 | 131426110 |
oct | 40113327 |
9 | 16763871 |
10 | 8427223 |
11 | 4836552 |
12 | 29a4a47 |
13 | 1990a2c |
14 | 1195207 |
15 | b16e4d |
hex | 8096d7 |
8427223 has 16 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 6500736.
The previous prime is 8427217. The next prime is 8427233. The reversal of 8427223 is 3227248.
It is a cyclic number.
It is not a de Polignac number, because 8427223 - 25 = 8427191 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8427191 and 8427200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8427233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198 + ... + 4276.
It is an arithmetic number, because the mean of its divisors is an integer number (665280).
Almost surely, 28427223 is an apocalyptic number.
8427223 is a deficient number, since it is larger than the sum of its proper divisors (2217257).
8427223 is a wasteful number, since it uses less digits than its factorization.
8427223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3126.
The product of its digits is 5376, while the sum is 28.
The square root of 8427223 is about 2902.9679639982. The cubic root of 8427223 is about 203.4986326418.
The spelling of 8427223 in words is "eight million, four hundred twenty-seven thousand, two hundred twenty-three".
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