Base | Representation |
---|---|
bin | 101011111000… |
… | …0110111110001 |
3 | 1121021212021012 |
4 | 1113300313301 |
5 | 21342203310 |
6 | 2141040305 |
7 | 366360641 |
oct | 127606761 |
9 | 47255235 |
10 | 23006705 |
11 | 11a94307 |
12 | 7856095 |
13 | 49c6b47 |
14 | 30ac521 |
15 | 2046c05 |
hex | 15f0df1 |
23006705 has 4 divisors (see below), whose sum is σ = 27608052. Its totient is φ = 18405360.
The previous prime is 23006651. The next prime is 23006707. The reversal of 23006705 is 50760032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9138529 + 13868176 = 3023^2 + 3724^2 .
It is not a de Polignac number, because 23006705 - 28 = 23006449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23006707) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300666 + ... + 2300675.
It is an arithmetic number, because the mean of its divisors is an integer number (6902013).
Almost surely, 223006705 is an apocalyptic number.
It is an amenable number.
23006705 is a deficient number, since it is larger than the sum of its proper divisors (4601347).
23006705 is an equidigital number, since it uses as much as digits as its factorization.
23006705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4601346.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 23006705 is about 4796.5305169466. The cubic root of 23006705 is about 284.4143302685.
Adding to 23006705 its reverse (50760032), we get a palindrome (73766737).
The spelling of 23006705 in words is "twenty-three million, six thousand, seven hundred five".
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