Base | Representation |
---|---|
bin | 11111010111101000100001 |
3 | 120110210012101 |
4 | 133113220201 |
5 | 4101121030 |
6 | 452130401 |
7 | 126616351 |
oct | 37275041 |
9 | 16423171 |
10 | 8223265 |
11 | 4707296 |
12 | 2906a01 |
13 | 191bc4b |
14 | 1140b61 |
15 | ac67ca |
hex | 7d7a21 |
8223265 has 4 divisors (see below), whose sum is σ = 9867924. Its totient is φ = 6578608.
The previous prime is 8223253. The next prime is 8223289. The reversal of 8223265 is 5623228.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 2289169 = 2436^2 + 1513^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8223265 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 822322 + ... + 822331.
It is an arithmetic number, because the mean of its divisors is an integer number (2466981).
Almost surely, 28223265 is an apocalyptic number.
It is an amenable number.
8223265 is a deficient number, since it is larger than the sum of its proper divisors (1644659).
8223265 is a wasteful number, since it uses less digits than its factorization.
8223265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1644658.
The product of its digits is 5760, while the sum is 28.
The square root of 8223265 is about 2867.6235805977. The cubic root of 8223265 is about 201.8434970507.
The spelling of 8223265 in words is "eight million, two hundred twenty-three thousand, two hundred sixty-five".
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