Base | Representation |
---|---|
bin | 101011111001… |
… | …0011101100111 |
3 | 1121022012012121 |
4 | 1113302131213 |
5 | 21342410343 |
6 | 2141130411 |
7 | 366415642 |
oct | 127623547 |
9 | 47265177 |
10 | 23013223 |
11 | 11a991a2 |
12 | 7859a07 |
13 | 49c9abc |
14 | 30b0a59 |
15 | 2048aed |
hex | 15f2767 |
23013223 has 8 divisors (see below), whose sum is σ = 25026192. Its totient is φ = 21073536.
The previous prime is 23013209. The next prime is 23013233. The reversal of 23013223 is 32231032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23013223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23013197 and 23013206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23013233) 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, 17665 + ... + 18922.
It is an arithmetic number, because the mean of its divisors is an integer number (3128274).
Almost surely, 223013223 is an apocalyptic number.
23013223 is a deficient number, since it is larger than the sum of its proper divisors (2012969).
23013223 is a wasteful number, since it uses less digits than its factorization.
23013223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36641.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 23013223 is about 4797.2099182754. The cubic root of 23013223 is about 284.4411867517.
Adding to 23013223 its reverse (32231032), we get a palindrome (55244255).
The spelling of 23013223 in words is "twenty-three million, thirteen thousand, two hundred twenty-three".
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