Base | Representation |
---|---|
bin | 101101100011… |
… | …0011011100001 |
3 | 1122221022011211 |
4 | 1123012123201 |
5 | 22103201231 |
6 | 2211510121 |
7 | 406663123 |
oct | 133063341 |
9 | 48838154 |
10 | 23881441 |
11 | 12531531 |
12 | 7bb8341 |
13 | 4c4203c |
14 | 3259213 |
15 | 216aeb1 |
hex | 16c66e1 |
23881441 has 4 divisors (see below), whose sum is σ = 23910292. Its totient is φ = 23852592.
The previous prime is 23881421. The next prime is 23881483. The reversal of 23881441 is 14418832.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 12047841 = 3440^2 + 3471^2 .
It is a cyclic number.
It is not a de Polignac number, because 23881441 - 25 = 23881409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23881421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13146 + ... + 14851.
It is an arithmetic number, because the mean of its divisors is an integer number (5977573).
Almost surely, 223881441 is an apocalyptic number.
It is an amenable number.
23881441 is a deficient number, since it is larger than the sum of its proper divisors (28851).
23881441 is an equidigital number, since it uses as much as digits as its factorization.
23881441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28850.
The product of its digits is 6144, while the sum is 31.
The square root of 23881441 is about 4886.8641274339. The cubic root of 23881441 is about 287.9741529337.
The spelling of 23881441 in words is "twenty-three million, eight hundred eighty-one thousand, four hundred forty-one".
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