Base | Representation |
---|---|
bin | 11010100101100… |
… | …00110101101010 |
3 | 120112122201021110 |
4 | 31102300311222 |
5 | 424043204232 |
6 | 34044051150 |
7 | 5345442126 |
oct | 1522606552 |
9 | 515581243 |
10 | 223022442 |
11 | 104988075 |
12 | 62833ab6 |
13 | 37288356 |
14 | 21896586 |
15 | 148a5acc |
hex | d4b0d6a |
223022442 has 16 divisors (see below), whose sum is σ = 449255520. Its totient is φ = 73805712.
The previous prime is 223022417. The next prime is 223022447. The reversal of 223022442 is 244220322.
223022442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (223022447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132873 + ... + 134540.
It is an arithmetic number, because the mean of its divisors is an integer number (28078470).
Almost surely, 2223022442 is an apocalyptic number.
223022442 is an abundant number, since it is smaller than the sum of its proper divisors (226233078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223022442 is a wasteful number, since it uses less digits than its factorization.
223022442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267557.
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 223022442 is about 14933.9359179019. The cubic root of 223022442 is about 606.4330412404.
Adding to 223022442 its reverse (244220322), we get a palindrome (467242764).
The spelling of 223022442 in words is "two hundred twenty-three million, twenty-two thousand, four hundred forty-two".
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