Base | Representation |
---|---|
bin | 11010100111001… |
… | …00010100100001 |
3 | 120120001102112111 |
4 | 31103210110201 |
5 | 424121431223 |
6 | 34052355321 |
7 | 5350310662 |
oct | 1523442441 |
9 | 516042474 |
10 | 223233313 |
11 | 105011546 |
12 | 62915b41 |
13 | 37330324 |
14 | 2190d369 |
15 | 148e830d |
hex | d4e4521 |
223233313 has 4 divisors (see below), whose sum is σ = 223873300. Its totient is φ = 222593328.
The previous prime is 223233293. The next prime is 223233323. The reversal of 223233313 is 313332322.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313332322 = 2 ⋅156666161.
It can be written as a sum of positive squares in 2 ways, for example, as 155451024 + 67782289 = 12468^2 + 8233^2 .
It is a cyclic number.
It is not a de Polignac number, because 223233313 - 25 = 223233281 is a prime.
It is a super-3 number, since 3×2232333133 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (223233323) 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, 319470 + ... + 320167.
It is an arithmetic number, because the mean of its divisors is an integer number (55968325).
Almost surely, 2223233313 is an apocalyptic number.
It is an amenable number.
223233313 is a deficient number, since it is larger than the sum of its proper divisors (639987).
223233313 is an equidigital number, since it uses as much as digits as its factorization.
223233313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 639986.
The product of its digits is 1944, while the sum is 22.
The square root of 223233313 is about 14940.9943778853. The cubic root of 223233313 is about 606.6241114872.
Adding to 223233313 its reverse (313332322), we get a palindrome (536565635).
Subtracting 223233313 from its reverse (313332322), we obtain a palindrome (90099009).
The spelling of 223233313 in words is "two hundred twenty-three million, two hundred thirty-three thousand, three hundred thirteen".
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