Base | Representation |
---|---|
bin | 11010100101100… |
… | …00010011001001 |
3 | 120112122121020122 |
4 | 31102300103021 |
5 | 424043121413 |
6 | 34044033025 |
7 | 5345432522 |
oct | 1522602311 |
9 | 515577218 |
10 | 223020233 |
11 | 104986447 |
12 | 62832775 |
13 | 37287347 |
14 | 21895849 |
15 | 148a5108 |
hex | d4b04c9 |
223020233 has 4 divisors (see below), whose sum is σ = 234758160. Its totient is φ = 211282308.
The previous prime is 223020211. The next prime is 223020247. The reversal of 223020233 is 332020322.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 223020233 - 212 = 223016137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223020533) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868935 + ... + 5868972.
It is an arithmetic number, because the mean of its divisors is an integer number (58689540).
Almost surely, 2223020233 is an apocalyptic number.
It is an amenable number.
223020233 is a deficient number, since it is larger than the sum of its proper divisors (11737927).
223020233 is a wasteful number, since it uses less digits than its factorization.
223020233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11737926.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 223020233 is about 14933.8619586495. The cubic root of 223020233 is about 606.4310390278.
Adding to 223020233 its reverse (332020322), we get a palindrome (555040555).
The spelling of 223020233 in words is "two hundred twenty-three million, twenty thousand, two hundred thirty-three".
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