Base | Representation |
---|---|
bin | 11111010111100101000101 |
3 | 120110202220020 |
4 | 133113211011 |
5 | 4101114140 |
6 | 452125353 |
7 | 126615615 |
oct | 37274505 |
9 | 16422806 |
10 | 8223045 |
11 | 4707106 |
12 | 2906859 |
13 | 191bb0c |
14 | 1140a45 |
15 | ac66d0 |
hex | 7d7945 |
8223045 has 16 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 4368320.
The previous prime is 8223043. The next prime is 8223077. The reversal of 8223045 is 5403228.
It is not a de Polignac number, because 8223045 - 21 = 8223043 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8223043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460 + ... + 5330.
It is an arithmetic number, because the mean of its divisors is an integer number (825552).
Almost surely, 28223045 is an apocalyptic number.
It is an amenable number.
8223045 is a deficient number, since it is larger than the sum of its proper divisors (4985787).
8223045 is a wasteful number, since it uses less digits than its factorization.
8223045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2172.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 8223045 is about 2867.5852210527. The cubic root of 8223045 is about 201.8416970371.
The spelling of 8223045 in words is "eight million, two hundred twenty-three thousand, forty-five".
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