Base | Representation |
---|---|
bin | 101011111100… |
… | …1101111000100 |
3 | 1121100201001220 |
4 | 1113321233010 |
5 | 21344334022 |
6 | 2141520340 |
7 | 366601536 |
oct | 127715704 |
9 | 47321056 |
10 | 23043012 |
11 | 12009613 |
12 | 78730b0 |
13 | 4a0a525 |
14 | 30bb856 |
15 | 205285c |
hex | 15f9bc4 |
23043012 has 24 divisors (see below), whose sum is σ = 55018656. Its totient is φ = 7502208.
The previous prime is 23042993. The next prime is 23043017. The reversal of 23043012 is 21034032.
It is a junction number, because it is equal to n+sod(n) for n = 23042982 and 23043000.
It is not an unprimeable number, because it can be changed into a prime (23043017) 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, 21813 + ... + 22844.
It is an arithmetic number, because the mean of its divisors is an integer number (2292444).
Almost surely, 223043012 is an apocalyptic number.
It is an amenable number.
23043012 is an abundant number, since it is smaller than the sum of its proper divisors (31975644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23043012 is a wasteful number, since it uses less digits than its factorization.
23043012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44707 (or 44705 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23043012 is about 4800.3137397466. The cubic root of 23043012 is about 284.5638635442.
Adding to 23043012 its reverse (21034032), we get a palindrome (44077044).
The spelling of 23043012 in words is "twenty-three million, forty-three thousand, twelve".
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