Base | Representation |
---|---|
bin | 101011111001… |
… | …0111010000011 |
3 | 1121022021201000 |
4 | 1113302322003 |
5 | 21342440133 |
6 | 2141143043 |
7 | 366424152 |
oct | 127627203 |
9 | 47267630 |
10 | 23015043 |
11 | 11a9a5a7 |
12 | 785aa83 |
13 | 49ca88c |
14 | 30b1599 |
15 | 2049413 |
hex | 15f2e83 |
23015043 has 8 divisors (see below), whose sum is σ = 34096400. Its totient is φ = 15343344.
The previous prime is 23015029. The next prime is 23015081. The reversal of 23015043 is 34051032.
It is not a de Polignac number, because 23015043 - 25 = 23015011 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 (23015143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426178 + ... + 426231.
It is an arithmetic number, because the mean of its divisors is an integer number (4262050).
Almost surely, 223015043 is an apocalyptic number.
23015043 is a deficient number, since it is larger than the sum of its proper divisors (11081357).
23015043 is an equidigital number, since it uses as much as digits as its factorization.
23015043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852418 (or 852412 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 23015043 is about 4797.3996081210. The cubic root of 23015043 is about 284.4486848948.
Adding to 23015043 its reverse (34051032), we get a palindrome (57066075).
The spelling of 23015043 in words is "twenty-three million, fifteen thousand, forty-three".
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