Base | Representation |
---|---|
bin | 11010100101100… |
… | …10111010000111 |
3 | 120112200010220102 |
4 | 31102302322013 |
5 | 424043442134 |
6 | 34044154315 |
7 | 5345505626 |
oct | 1522627207 |
9 | 515603812 |
10 | 223030919 |
11 | 104993481 |
12 | 6283899b |
13 | 3728c177 |
14 | 218996bd |
15 | 148a837e |
hex | d4b2e87 |
223030919 has 2 divisors, whose sum is σ = 223030920. Its totient is φ = 223030918.
The previous prime is 223030901. The next prime is 223030937. The reversal of 223030919 is 919030322.
It is a balanced prime because it is at equal distance from previous prime (223030901) and next prime (223030937).
It is a cyclic number.
It is not a de Polignac number, because 223030919 - 28 = 223030663 is a prime.
It is a super-2 number, since 2×2230309192 = 99485581659969122, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 223030891 and 223030900.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223030979) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111515459 + 111515460.
It is an arithmetic number, because the mean of its divisors is an integer number (111515460).
Almost surely, 2223030919 is an apocalyptic number.
223030919 is a deficient number, since it is larger than the sum of its proper divisors (1).
223030919 is an equidigital number, since it uses as much as digits as its factorization.
223030919 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2916, while the sum is 29.
The square root of 223030919 is about 14934.2197318775. The cubic root of 223030919 is about 606.4407245744.
The spelling of 223030919 in words is "two hundred twenty-three million, thirty thousand, nine hundred nineteen".
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