Base | Representation |
---|---|
bin | 101100010010… |
… | …1001111010011 |
3 | 1121200202111120 |
4 | 1120211033103 |
5 | 21421034303 |
6 | 2145413323 |
7 | 401243205 |
oct | 130451723 |
9 | 47622446 |
10 | 23221203 |
11 | 12120485 |
12 | 793a243 |
13 | 4a70675 |
14 | 3126775 |
15 | 208a553 |
hex | 16253d3 |
23221203 has 8 divisors (see below), whose sum is σ = 31170000. Its totient is φ = 15376608.
The previous prime is 23221193. The next prime is 23221223. The reversal of 23221203 is 30212232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23221203 - 25 = 23221171 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23221223) 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, 25528 + ... + 26421.
It is an arithmetic number, because the mean of its divisors is an integer number (3896250).
Almost surely, 223221203 is an apocalyptic number.
23221203 is a deficient number, since it is larger than the sum of its proper divisors (7948797).
23221203 is a wasteful number, since it uses less digits than its factorization.
23221203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52101.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23221203 is about 4818.8383454937. The cubic root of 23221203 is about 285.2954891592.
Adding to 23221203 its reverse (30212232), we get a palindrome (53433435).
The spelling of 23221203 in words is "twenty-three million, two hundred twenty-one thousand, two hundred three".
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