Base | Representation |
---|---|
bin | 101101101001… |
… | …0010010100001 |
3 | 1200000202210221 |
4 | 1123102102201 |
5 | 22111230032 |
6 | 2212523041 |
7 | 410254546 |
oct | 133222241 |
9 | 50022727 |
10 | 23930017 |
11 | 12564a81 |
12 | 8020481 |
13 | 4c5b197 |
14 | 326cbcd |
15 | 217a597 |
hex | 16d24a1 |
23930017 has 8 divisors (see below), whose sum is σ = 24814440. Its totient is φ = 23049600.
The previous prime is 23929991. The next prime is 23930069. The reversal of 23930017 is 71003932.
It can be written as a sum of positive squares in 4 ways, for example, as 15397776 + 8532241 = 3924^2 + 2921^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23930017 - 27 = 23929889 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23929973 and 23930000.
It is not an unprimeable number, because it can be changed into a prime (23930077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16743 + ... + 18115.
It is an arithmetic number, because the mean of its divisors is an integer number (3101805).
Almost surely, 223930017 is an apocalyptic number.
It is an amenable number.
23930017 is a deficient number, since it is larger than the sum of its proper divisors (884423).
23930017 is a wasteful number, since it uses less digits than its factorization.
23930017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2003.
The product of its (nonzero) digits is 1134, while the sum is 25.
The square root of 23930017 is about 4891.8316610448. The cubic root of 23930017 is about 288.1692717939.
Adding to 23930017 its reverse (71003932), we get a palindrome (94933949).
The spelling of 23930017 in words is "twenty-three million, nine hundred thirty thousand, seventeen".
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