Base | Representation |
---|---|
bin | 11010011111100… |
… | …10001100001000 |
3 | 120111012001002022 |
4 | 31033302030020 |
5 | 423343212134 |
6 | 34015224012 |
7 | 5336010350 |
oct | 1517621410 |
9 | 514161068 |
10 | 222241544 |
11 | 1044a43a8 |
12 | 62518008 |
13 | 37073a95 |
14 | 21731b60 |
15 | 1479e52e |
hex | d3f2308 |
222241544 has 128 divisors (see below), whose sum is σ = 530323200. Its totient is φ = 85155840.
The previous prime is 222241543. The next prime is 222241583. The reversal of 222241544 is 445142222.
It is not an unprimeable number, because it can be changed into a prime (222241543) 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 31 ways as a sum of consecutive naturals, for example, 2497052 + ... + 2497140.
It is an arithmetic number, because the mean of its divisors is an integer number (4143150).
Almost surely, 2222241544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222241544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265161600).
222241544 is an abundant number, since it is smaller than the sum of its proper divisors (308081656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222241544 is a wasteful number, since it uses less digits than its factorization.
222241544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223 (or 219 counting only the distinct ones).
The product of its digits is 5120, while the sum is 26.
The square root of 222241544 is about 14907.7679080404. The cubic root of 222241544 is about 605.7244187688.
Adding to 222241544 its reverse (445142222), we get a palindrome (667383766).
The spelling of 222241544 in words is "two hundred twenty-two million, two hundred forty-one thousand, five hundred forty-four".
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