Base | Representation |
---|---|
bin | 101100100110… |
… | …0001110110101 |
3 | 1121222212120220 |
4 | 1121030032311 |
5 | 21441142132 |
6 | 2153044553 |
7 | 402506640 |
oct | 131141665 |
9 | 47885526 |
10 | 23380917 |
11 | 1221a47a |
12 | 79b6759 |
13 | 4ac8281 |
14 | 3168a57 |
15 | 20bca2c |
hex | 164c3b5 |
23380917 has 16 divisors (see below), whose sum is σ = 35713152. Its totient is φ = 13328640.
The previous prime is 23380879. The next prime is 23380921. The reversal of 23380917 is 71908332.
It is not a de Polignac number, because 23380917 - 26 = 23380853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23380937) 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 15 ways as a sum of consecutive naturals, for example, 9873 + ... + 12009.
It is an arithmetic number, because the mean of its divisors is an integer number (2232072).
Almost surely, 223380917 is an apocalyptic number.
It is an amenable number.
23380917 is a deficient number, since it is larger than the sum of its proper divisors (12332235).
23380917 is a wasteful number, since it uses less digits than its factorization.
23380917 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2668.
The product of its (nonzero) digits is 9072, while the sum is 33.
The square root of 23380917 is about 4835.3817843062. The cubic root of 23380917 is about 285.9480768699.
The spelling of 23380917 in words is "twenty-three million, three hundred eighty thousand, nine hundred seventeen".
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