Base | Representation |
---|---|
bin | 1101001000111… |
… | …01111101110101 |
3 | 21200101220211112 |
4 | 12210131331311 |
5 | 211204120341 |
6 | 14534244405 |
7 | 2505611333 |
oct | 644357565 |
9 | 250356745 |
10 | 110223221 |
11 | 57244379 |
12 | 30ab6705 |
13 | 19ab2b54 |
14 | 108d2b53 |
15 | 9a23aeb |
hex | 691df75 |
110223221 has 2 divisors, whose sum is σ = 110223222. Its totient is φ = 110223220.
The previous prime is 110223209. The next prime is 110223227. The reversal of 110223221 is 122322011.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 107536900 + 2686321 = 10370^2 + 1639^2 .
It is a cyclic number.
It is not a de Polignac number, because 110223221 - 210 = 110222197 is a prime.
It is a super-2 number, since 2×1102232212 = 24298316895229682, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 110223196 and 110223205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (110223227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55111610 + 55111611.
It is an arithmetic number, because the mean of its divisors is an integer number (55111611).
Almost surely, 2110223221 is an apocalyptic number.
It is an amenable number.
110223221 is a deficient number, since it is larger than the sum of its proper divisors (1).
110223221 is an equidigital number, since it uses as much as digits as its factorization.
110223221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 110223221 is about 10498.7247320806. The cubic root of 110223221 is about 479.4658714265.
Adding to 110223221 its reverse (122322011), we get a palindrome (232545232).
The spelling of 110223221 in words is "one hundred ten million, two hundred twenty-three thousand, two hundred twenty-one".
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