Base | Representation |
---|---|
bin | 11010101100000… |
… | …11010000000000 |
3 | 120121021111111200 |
4 | 31112003100000 |
5 | 424303244123 |
6 | 34114341200 |
7 | 5355661605 |
oct | 1526032000 |
9 | 517244450 |
10 | 223884288 |
11 | 105416641 |
12 | 62b8a800 |
13 | 374ca714 |
14 | 21a3c6ac |
15 | 149c6143 |
hex | d583400 |
223884288 has 132 divisors (see below), whose sum is σ = 684967140. Its totient is φ = 70189056.
The previous prime is 223884259. The next prime is 223884289. The reversal of 223884288 is 882488322.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 86713344 + 137170944 = 9312^2 + 11712^2 .
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223884289) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155958 + ... + 157386.
It is an arithmetic number, because the mean of its divisors is an integer number (5189145).
Almost surely, 2223884288 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 223884288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342483570).
223884288 is an abundant number, since it is smaller than the sum of its proper divisors (461082852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223884288 is a wasteful number, since it uses less digits than its factorization.
223884288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1472 (or 1451 counting only the distinct ones).
The product of its digits is 393216, while the sum is 45.
The square root of 223884288 is about 14962.7633811405. The cubic root of 223884288 is about 607.2132020230.
The spelling of 223884288 in words is "two hundred twenty-three million, eight hundred eighty-four thousand, two hundred eighty-eight".
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