Base | Representation |
---|---|
bin | 1111010000100111011111 |
3 | 21112020021102 |
4 | 33100213133 |
5 | 2011001343 |
6 | 221423315 |
7 | 46000313 |
oct | 17204737 |
9 | 7466242 |
10 | 4000223 |
11 | 2292477 |
12 | 140ab3b |
13 | aa09c6 |
14 | 761b43 |
15 | 5403b8 |
hex | 3d09df |
4000223 has 4 divisors (see below), whose sum is σ = 4013160. Its totient is φ = 3987288.
The previous prime is 4000189. The next prime is 4000237. The reversal of 4000223 is 3220004.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 4000223 - 26 = 4000159 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4000273) 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, 5993 + ... + 6626.
It is an arithmetic number, because the mean of its divisors is an integer number (1003290).
Almost surely, 24000223 is an apocalyptic number.
4000223 is a deficient number, since it is larger than the sum of its proper divisors (12937).
4000223 is a wasteful number, since it uses less digits than its factorization.
4000223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12936.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 4000223 is about 2000.0557492230. The cubic root of 4000223 is about 158.7430550623.
Adding to 4000223 its reverse (3220004), we get a palindrome (7220227).
It can be divided in two parts, 40002 and 23, that multiplied together give a triangular number (920046 = T1356).
The spelling of 4000223 in words is "four million, two hundred twenty-three", and thus it is an aban number.
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