Base | Representation |
---|---|
bin | 11010101000101… |
… | …11010100110110 |
3 | 120120110001010011 |
4 | 31110113110312 |
5 | 424200122410 |
6 | 34101050434 |
7 | 5352141034 |
oct | 1524272466 |
9 | 516401104 |
10 | 223442230 |
11 | 105144500 |
12 | 629b6a1a |
13 | 373a444b |
14 | 21965554 |
15 | 1493a18a |
hex | d517536 |
223442230 has 48 divisors (see below), whose sum is σ = 451604160. Its totient is φ = 79502720.
The previous prime is 223442213. The next prime is 223442239. The reversal of 223442230 is 32244322.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223442239) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54906 + ... + 58834.
It is an arithmetic number, because the mean of its divisors is an integer number (9408420).
Almost surely, 2223442230 is an apocalyptic number.
223442230 is an abundant number, since it is smaller than the sum of its proper divisors (228161930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223442230 is a wasteful number, since it uses less digits than its factorization.
223442230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4005 (or 3994 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 22.
The square root of 223442230 is about 14947.9841450277. The cubic root of 223442230 is about 606.8132925923.
Adding to 223442230 its reverse (32244322), we get a palindrome (255686552).
The spelling of 223442230 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred thirty".
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