Base | Representation |
---|---|
bin | 101101101101… |
… | …1110101011011 |
3 | 1200002202110000 |
4 | 1123123311123 |
5 | 22114002430 |
6 | 2213424043 |
7 | 410506542 |
oct | 133336533 |
9 | 50082400 |
10 | 23969115 |
11 | 12591395 |
12 | 803b023 |
13 | 4c72c11 |
14 | 327d159 |
15 | 2186e60 |
hex | 16dbd5b |
23969115 has 20 divisors (see below), whose sum is σ = 42967584. Its totient is φ = 12783312.
The previous prime is 23969093. The next prime is 23969117. The reversal of 23969115 is 51196932.
It is not a de Polignac number, because 23969115 - 211 = 23967067 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23969115.
It is not an unprimeable number, because it can be changed into a prime (23969117) 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 in 19 ways as a sum of consecutive naturals, for example, 29187 + ... + 29996.
Almost surely, 223969115 is an apocalyptic number.
23969115 is a deficient number, since it is larger than the sum of its proper divisors (18998469).
23969115 is an equidigital number, since it uses as much as digits as its factorization.
23969115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59200 (or 59191 counting only the distinct ones).
The product of its digits is 14580, while the sum is 36.
The square root of 23969115 is about 4895.8262836829. The cubic root of 23969115 is about 288.3261279528.
It can be divided in two parts, 2396 and 9115, that added together give a palindrome (11511).
The spelling of 23969115 in words is "twenty-three million, nine hundred sixty-nine thousand, one hundred fifteen".
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