Base | Representation |
---|---|
bin | 1000010111011101000111 |
3 | 11010102112111 |
4 | 20113131013 |
5 | 1030140343 |
6 | 115001451 |
7 | 24433144 |
oct | 10273507 |
9 | 4112474 |
10 | 2193223 |
11 | 126888a |
12 | 899287 |
13 | 5ba386 |
14 | 4113cb |
15 | 2d4c9d |
hex | 217747 |
2193223 has 2 divisors, whose sum is σ = 2193224. Its totient is φ = 2193222.
The previous prime is 2193209. The next prime is 2193239. The reversal of 2193223 is 3223912.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2193223 is a prime.
It is a plaindrome in base 11.
It is a junction number, because it is equal to n+sod(n) for n = 2193194 and 2193203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2193263) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096611 + 1096612.
It is an arithmetic number, because the mean of its divisors is an integer number (1096612).
22193223 is an apocalyptic number.
2193223 is a deficient number, since it is larger than the sum of its proper divisors (1).
2193223 is an equidigital number, since it uses as much as digits as its factorization.
2193223 is an evil number, because the sum of its binary digits is even.
The product of its digits is 648, while the sum is 22.
The square root of 2193223 is about 1480.9534091254. The cubic root of 2193223 is about 129.9254602269.
The spelling of 2193223 in words is "two million, one hundred ninety-three thousand, two hundred twenty-three".
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