Base | Representation |
---|---|
bin | 101101101001… |
… | …1000001010101 |
3 | 1200000220220220 |
4 | 1123103001111 |
5 | 22111324023 |
6 | 2212544553 |
7 | 410266356 |
oct | 133230125 |
9 | 50026826 |
10 | 23933013 |
11 | 12567255 |
12 | 8022159 |
13 | 4c5c660 |
14 | 326dd2d |
15 | 217b3e3 |
hex | 16d3055 |
23933013 has 8 divisors (see below), whose sum is σ = 34365408. Its totient is φ = 14727984.
The previous prime is 23932981. The next prime is 23933057. The reversal of 23933013 is 31033932.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23933013 - 25 = 23932981 is a prime.
It is a super-2 number, since 2×239330132 = 1145578222516338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23933083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306795 + ... + 306872.
It is an arithmetic number, because the mean of its divisors is an integer number (4295676).
Almost surely, 223933013 is an apocalyptic number.
It is an amenable number.
23933013 is a deficient number, since it is larger than the sum of its proper divisors (10432395).
23933013 is a wasteful number, since it uses less digits than its factorization.
23933013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613683.
The product of its (nonzero) digits is 1458, while the sum is 24.
The square root of 23933013 is about 4892.1378762255. The cubic root of 23933013 is about 288.1812974032.
Adding to 23933013 its reverse (31033932), we get a palindrome (54966945).
The spelling of 23933013 in words is "twenty-three million, nine hundred thirty-three thousand, thirteen".
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