Base | Representation |
---|---|
bin | 101100000001… |
… | …0110110000001 |
3 | 1121102121020201 |
4 | 1120002312001 |
5 | 21402032241 |
6 | 2142405201 |
7 | 400115365 |
oct | 130026601 |
9 | 47377221 |
10 | 23080321 |
11 | 12034650 |
12 | 7890801 |
13 | 4a214c4 |
14 | 30cb2a5 |
15 | 205d931 |
hex | 1602d81 |
23080321 has 4 divisors (see below), whose sum is σ = 25178544. Its totient is φ = 20982100.
The previous prime is 23080303. The next prime is 23080333. The reversal of 23080321 is 12308032.
It is a happy number.
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 23080321 - 25 = 23080289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23080301) 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, 1049095 + ... + 1049116.
It is an arithmetic number, because the mean of its divisors is an integer number (6294636).
Almost surely, 223080321 is an apocalyptic number.
It is an amenable number.
23080321 is a deficient number, since it is larger than the sum of its proper divisors (2098223).
23080321 is a wasteful number, since it uses less digits than its factorization.
23080321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2098222.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 23080321 is about 4804.1982681817. The cubic root of 23080321 is about 284.7173600929.
Adding to 23080321 its reverse (12308032), we get a palindrome (35388353).
The spelling of 23080321 in words is "twenty-three million, eighty thousand, three hundred twenty-one".
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