Base | Representation |
---|---|
bin | 101100011100… |
… | …0100001111101 |
3 | 1121211202220011 |
4 | 1120320201331 |
5 | 21431101341 |
6 | 2151223221 |
7 | 402022450 |
oct | 130704175 |
9 | 47752804 |
10 | 23300221 |
11 | 1217488a |
12 | 7977b11 |
13 | 4a9a619 |
14 | 3147497 |
15 | 20a3b81 |
hex | 163887d |
23300221 has 8 divisors (see below), whose sum is σ = 27080640. Its totient is φ = 19632768.
The previous prime is 23300209. The next prime is 23300227. The reversal of 23300221 is 12200332.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23300221 - 27 = 23300093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23300227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27796 + ... + 28621.
It is an arithmetic number, because the mean of its divisors is an integer number (3385080).
Almost surely, 223300221 is an apocalyptic number.
It is an amenable number.
23300221 is a deficient number, since it is larger than the sum of its proper divisors (3780419).
23300221 is an equidigital number, since it uses as much as digits as its factorization.
23300221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56483.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 23300221 is about 4827.0302464352. The cubic root of 23300221 is about 285.6187276034.
Adding to 23300221 its reverse (12200332), we get a palindrome (35500553).
The spelling of 23300221 in words is "twenty-three million, three hundred thousand, two hundred twenty-one".
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