Base | Representation |
---|---|
bin | 101100101100… |
… | …0010011001001 |
3 | 1122002101101120 |
4 | 1121120103021 |
5 | 21444232340 |
6 | 2154105453 |
7 | 403104021 |
oct | 131302311 |
9 | 48071346 |
10 | 23430345 |
11 | 12253624 |
12 | 7a1b289 |
13 | 4b14913 |
14 | 317ca81 |
15 | 20cc4d0 |
hex | 16584c9 |
23430345 has 16 divisors (see below), whose sum is σ = 37557312. Its totient is φ = 12473280.
The previous prime is 23430343. The next prime is 23430349. The reversal of 23430345 is 54303432.
It is not a de Polignac number, because 23430345 - 21 = 23430343 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (23430343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9930 + ... + 12060.
It is an arithmetic number, because the mean of its divisors is an integer number (2347332).
Almost surely, 223430345 is an apocalyptic number.
It is an amenable number.
23430345 is a deficient number, since it is larger than the sum of its proper divisors (14126967).
23430345 is a wasteful number, since it uses less digits than its factorization.
23430345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2872.
The product of its (nonzero) digits is 4320, while the sum is 24.
The square root of 23430345 is about 4840.4901611304. The cubic root of 23430345 is about 286.1494361441.
Adding to 23430345 its reverse (54303432), we get a palindrome (77733777).
The spelling of 23430345 in words is "twenty-three million, four hundred thirty thousand, three hundred forty-five".
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