Base | Representation |
---|---|
bin | 11010100111000… |
… | …01111000100011 |
3 | 120120000220211210 |
4 | 31103201320203 |
5 | 424121121311 |
6 | 34052241203 |
7 | 5350236612 |
oct | 1523417043 |
9 | 516026753 |
10 | 223223331 |
11 | 105004aa1 |
12 | 62910203 |
13 | 37328916 |
14 | 21909879 |
15 | 148e53a6 |
hex | d4e1e23 |
223223331 has 8 divisors (see below), whose sum is σ = 305675344. Its totient is φ = 144793440.
The previous prime is 223223327. The next prime is 223223347. The reversal of 223223331 is 133322322.
223223331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 223223331 - 22 = 223223327 is a prime.
It is a super-3 number, since 3×2232233313 (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 junction number, because it is equal to n+sod(n) for n = 223223298 and 223223307.
It is not an unprimeable number, because it can be changed into a prime (223223731) 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, 1005400 + ... + 1005621.
It is an arithmetic number, because the mean of its divisors is an integer number (38209418).
Almost surely, 2223223331 is an apocalyptic number.
223223331 is a deficient number, since it is larger than the sum of its proper divisors (82452013).
223223331 is a wasteful number, since it uses less digits than its factorization.
223223331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2011061.
The product of its digits is 1296, while the sum is 21.
The square root of 223223331 is about 14940.6603267727. The cubic root of 223223331 is about 606.6150695092.
Adding to 223223331 its reverse (133322322), we get a palindrome (356545653).
The spelling of 223223331 in words is "two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •