Base | Representation |
---|---|
bin | 11010100110111… |
… | …11101011000001 |
3 | 120120000110102022 |
4 | 31103133223001 |
5 | 424120324043 |
6 | 34052131225 |
7 | 5350201322 |
oct | 1523375301 |
9 | 516013368 |
10 | 223214273 |
11 | 104aa9207 |
12 | 62906b15 |
13 | 37324769 |
14 | 21906449 |
15 | 148e2868 |
hex | d4dfac1 |
223214273 has 4 divisors (see below), whose sum is σ = 226358208. Its totient is φ = 220070340.
The previous prime is 223214249. The next prime is 223214281. The reversal of 223214273 is 372412322.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372412322 = 2 ⋅186206161.
It is a cyclic number.
It is not a de Polignac number, because 223214273 - 214 = 223197889 is a prime.
It is a super-3 number, since 3×2232142733 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (223214203) 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, 1571861 + ... + 1572002.
It is an arithmetic number, because the mean of its divisors is an integer number (56589552).
Almost surely, 2223214273 is an apocalyptic number.
It is an amenable number.
223214273 is a deficient number, since it is larger than the sum of its proper divisors (3143935).
223214273 is an equidigital number, since it uses as much as digits as its factorization.
223214273 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3143934.
The product of its digits is 4032, while the sum is 26.
The square root of 223214273 is about 14940.3571911785. The cubic root of 223214273 is about 606.6068642832.
Adding to 223214273 its reverse (372412322), we get a palindrome (595626595).
The spelling of 223214273 in words is "two hundred twenty-three million, two hundred fourteen thousand, two hundred seventy-three".
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