Base | Representation |
---|---|
bin | 11010011101111… |
… | …00111000101101 |
3 | 120110202221120222 |
4 | 31032330320231 |
5 | 423314220323 |
6 | 34010421125 |
7 | 5334110666 |
oct | 1516747055 |
9 | 513687528 |
10 | 222023213 |
11 | 104365365 |
12 | 624317a5 |
13 | 36cc85a9 |
14 | 216b636d |
15 | 147599c8 |
hex | d3bce2d |
222023213 has 8 divisors (see below), whose sum is σ = 235213632. Its totient is φ = 208847296.
The previous prime is 222023173. The next prime is 222023239. The reversal of 222023213 is 312320222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222023213 - 210 = 222022189 is a prime.
It is a super-2 number, since 2×2220232132 = 98588614221686738, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 222023191 and 222023200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222023293) 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 in 7 ways as a sum of consecutive naturals, for example, 57056 + ... + 60822.
It is an arithmetic number, because the mean of its divisors is an integer number (29401704).
Almost surely, 2222023213 is an apocalyptic number.
It is an amenable number.
222023213 is a deficient number, since it is larger than the sum of its proper divisors (13190419).
222023213 is a wasteful number, since it uses less digits than its factorization.
222023213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7251.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 222023213 is about 14900.4433826648. The cubic root of 222023213 is about 605.5259983977.
Adding to 222023213 its reverse (312320222), we get a palindrome (534343435).
The spelling of 222023213 in words is "two hundred twenty-two million, twenty-three thousand, two hundred thirteen".
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