Base | Representation |
---|---|
bin | 11111011111011011110111 |
3 | 120112102001000 |
4 | 133133123313 |
5 | 4103131343 |
6 | 452534343 |
7 | 130111464 |
oct | 37373367 |
9 | 16472030 |
10 | 8255223 |
11 | 47292a9 |
12 | 29213b3 |
13 | 1930662 |
14 | 114c66b |
15 | ad0ed3 |
hex | 7df6f7 |
8255223 has 8 divisors (see below), whose sum is σ = 12230000. Its totient is φ = 5503464.
The previous prime is 8255213. The next prime is 8255239. The reversal of 8255223 is 3225528.
It is a de Polignac number, because none of the positive numbers 2k-8255223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 305749 = 8255223 / (8 + 2 + 5 + 5 + 2 + 2 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8255213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152848 + ... + 152901.
It is an arithmetic number, because the mean of its divisors is an integer number (1528750).
Almost surely, 28255223 is an apocalyptic number.
8255223 is a deficient number, since it is larger than the sum of its proper divisors (3974777).
8255223 is a wasteful number, since it uses less digits than its factorization.
8255223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305758 (or 305752 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 8255223 is about 2873.1903870088. The cubic root of 8255223 is about 202.1046332410.
The spelling of 8255223 in words is "eight million, two hundred fifty-five thousand, two hundred twenty-three".
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