Base | Representation |
---|---|
bin | 11010011110101… |
… | …00100011000100 |
3 | 120110221212112120 |
4 | 31033110203010 |
5 | 423330321012 |
6 | 34012445540 |
7 | 5334663363 |
oct | 1517244304 |
9 | 513855476 |
10 | 222120132 |
11 | 104421163 |
12 | 624798b0 |
13 | 37030740 |
14 | 216dd7da |
15 | 1477858c |
hex | d3d48c4 |
222120132 has 48 divisors (see below), whose sum is σ = 567631680. Its totient is φ = 67183488.
The previous prime is 222120097. The next prime is 222120133. The reversal of 222120132 is 231021222.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (222120133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2863 + ... + 21270.
It is an arithmetic number, because the mean of its divisors is an integer number (11825660).
Almost surely, 2222120132 is an apocalyptic number.
It is an amenable number.
222120132 is an abundant number, since it is smaller than the sum of its proper divisors (345511548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222120132 is a wasteful number, since it uses less digits than its factorization.
222120132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24212 (or 24210 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 222120132 is about 14903.6952464817. The cubic root of 222120132 is about 605.6140949471.
Adding to 222120132 its reverse (231021222), we get a palindrome (453141354).
The spelling of 222120132 in words is "two hundred twenty-two million, one hundred twenty thousand, one hundred thirty-two".
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