Base | Representation |
---|---|
bin | 101011111000… |
… | …1011001001010 |
3 | 1121021222012100 |
4 | 1113301121022 |
5 | 21342240332 |
6 | 2141054230 |
7 | 366400113 |
oct | 127613112 |
9 | 47258170 |
10 | 23008842 |
11 | 11a9597a |
12 | 7857376 |
13 | 49c7acc |
14 | 30ad20a |
15 | 204767c |
hex | 15f164a |
23008842 has 24 divisors (see below), whose sum is σ = 50040900. Its totient is φ = 7640640.
The previous prime is 23008819. The next prime is 23008847. The reversal of 23008842 is 24880032.
It can be written as a sum of positive squares in 2 ways, for example, as 21986721 + 1022121 = 4689^2 + 1011^2 .
It is a super-3 number, since 3×230088423 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (23008847) 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 11 ways as a sum of consecutive naturals, for example, 2784 + ... + 7332.
Almost surely, 223008842 is an apocalyptic number.
23008842 is an abundant number, since it is smaller than the sum of its proper divisors (27032058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23008842 is a wasteful number, since it uses less digits than its factorization.
23008842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4838 (or 4835 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 23008842 is about 4796.7532769572. The cubic root of 23008842 is about 284.4231360290.
Adding to 23008842 its reverse (24880032), we get a palindrome (47888874).
The spelling of 23008842 in words is "twenty-three million, eight thousand, eight hundred forty-two".
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