Base | Representation |
---|---|
bin | 11010011101110… |
… | …10001001111110 |
3 | 120110202101020210 |
4 | 31032322021332 |
5 | 423313341110 |
6 | 34010253250 |
7 | 5334033252 |
oct | 1516721176 |
9 | 513671223 |
10 | 222012030 |
11 | 104357a19 |
12 | 62427226 |
13 | 36cc3486 |
14 | 216b2262 |
15 | 14756520 |
hex | d3ba27e |
222012030 has 32 divisors (see below), whose sum is σ = 540338688. Its totient is φ = 58368800.
The previous prime is 222012029. The next prime is 222012047. The reversal of 222012030 is 30210222.
It is a junction number, because it is equal to n+sod(n) for n = 222011997 and 222012015.
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, 49986 + ... + 54245.
It is an arithmetic number, because the mean of its divisors is an integer number (16885584).
Almost surely, 2222012030 is an apocalyptic number.
222012030 is an abundant number, since it is smaller than the sum of its proper divisors (318326658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222012030 is a wasteful number, since it uses less digits than its factorization.
222012030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104312.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 222012030 is about 14900.0681206497. The cubic root of 222012030 is about 605.5158317267.
Adding to 222012030 its reverse (30210222), we get a palindrome (252222252).
The spelling of 222012030 in words is "two hundred twenty-two million, twelve thousand, thirty".
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