Base | Representation |
---|---|
bin | 11010011101110… |
… | …10011100101110 |
3 | 120110202102220020 |
4 | 31032322130232 |
5 | 423313410410 |
6 | 34010303010 |
7 | 5334036615 |
oct | 1516723456 |
9 | 513672806 |
10 | 222013230 |
11 | 10435890a |
12 | 62427a66 |
13 | 36cc3b9a |
14 | 216b287c |
15 | 14756a70 |
hex | d3ba72e |
222013230 has 32 divisors (see below), whose sum is σ = 537819264. Its totient is φ = 58649376.
The previous prime is 222013223. The next prime is 222013261. The reversal of 222013230 is 32310222.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 31372 + ... + 37791.
It is an arithmetic number, because the mean of its divisors is an integer number (16806852).
Almost surely, 2222013230 is an apocalyptic number.
222013230 is an abundant number, since it is smaller than the sum of its proper divisors (315806034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222013230 is a wasteful number, since it uses less digits than its factorization.
222013230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69280.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 222013230 is about 14900.1083888675. The cubic root of 222013230 is about 605.5169226851.
Adding to 222013230 its reverse (32310222), we get a palindrome (254323452).
The spelling of 222013230 in words is "two hundred twenty-two million, thirteen thousand, two hundred thirty".
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