Base | Representation |
---|---|
bin | 101011110111… |
… | …1100010110111 |
3 | 1121021120210221 |
4 | 1113233202313 |
5 | 21342020041 |
6 | 2140555211 |
7 | 366336046 |
oct | 127574267 |
9 | 47246727 |
10 | 23001271 |
11 | 11a90217 |
12 | 7852b07 |
13 | 49c4527 |
14 | 30aa55d |
15 | 20452d1 |
hex | 15ef8b7 |
23001271 has 2 divisors, whose sum is σ = 23001272. Its totient is φ = 23001270.
The previous prime is 23001269. The next prime is 23001313. The reversal of 23001271 is 17210032.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23001271 - 21 = 23001269 is a prime.
Together with 23001269, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23001211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500635 + 11500636.
It is an arithmetic number, because the mean of its divisors is an integer number (11500636).
Almost surely, 223001271 is an apocalyptic number.
23001271 is a deficient number, since it is larger than the sum of its proper divisors (1).
23001271 is an equidigital number, since it uses as much as digits as its factorization.
23001271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 23001271 is about 4795.9640323922. The cubic root of 23001271 is about 284.3919363741.
The spelling of 23001271 in words is "twenty-three million, one thousand, two hundred seventy-one".
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