Base | Representation |
---|---|
bin | 101100010000… |
… | …1011100000001 |
3 | 1121122222010220 |
4 | 1120201130001 |
5 | 21420040013 |
6 | 2145213253 |
7 | 401146623 |
oct | 130413401 |
9 | 47588126 |
10 | 23205633 |
11 | 1210a810 |
12 | 7931229 |
13 | 4a66559 |
14 | 3120c13 |
15 | 2085b23 |
hex | 1621701 |
23205633 has 16 divisors (see below), whose sum is σ = 34003200. Its totient is φ = 13960080.
The previous prime is 23205619. The next prime is 23205641. The reversal of 23205633 is 33650232.
It is not a de Polignac number, because 23205633 - 213 = 23197441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23205613) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058 + ... + 7116.
It is an arithmetic number, because the mean of its divisors is an integer number (2125200).
Almost surely, 223205633 is an apocalyptic number.
It is an amenable number.
23205633 is a deficient number, since it is larger than the sum of its proper divisors (10797567).
23205633 is a wasteful number, since it uses less digits than its factorization.
23205633 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5212.
The product of its (nonzero) digits is 3240, while the sum is 24.
The square root of 23205633 is about 4817.2225400120. Note that the first 3 decimals coincide. The cubic root of 23205633 is about 285.2317106095.
Adding to 23205633 its reverse (33650232), we get a palindrome (56855865).
The spelling of 23205633 in words is "twenty-three million, two hundred five thousand, six hundred thirty-three".
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