Base | Representation |
---|---|
bin | 10001000100101… |
… | …10100110110111 |
3 | 100222111111022211 |
4 | 20202112212313 |
5 | 243131120343 |
6 | 22113434251 |
7 | 3356243263 |
oct | 1042264667 |
9 | 328444284 |
10 | 143223223 |
11 | 73933800 |
12 | 3bb6b987 |
13 | 23898490 |
14 | 150430a3 |
15 | c89179d |
hex | 88969b7 |
143223223 has 24 divisors (see below), whose sum is σ = 171735984. Its totient is φ = 118631040.
The previous prime is 143223221. The next prime is 143223247. The reversal of 143223223 is 322322341.
143223223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 143223223 - 21 = 143223221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143223194 and 143223203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143223221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130011 + ... + 131107.
It is an arithmetic number, because the mean of its divisors is an integer number (7155666).
Almost surely, 2143223223 is an apocalyptic number.
143223223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
143223223 is a deficient number, since it is larger than the sum of its proper divisors (28512761).
143223223 is a wasteful number, since it uses less digits than its factorization.
143223223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1215 (or 1204 counting only the distinct ones).
The product of its digits is 1728, while the sum is 22.
The square root of 143223223 is about 11967.5905260834. The cubic root of 143223223 is about 523.2041107464.
Adding to 143223223 its reverse (322322341), we get a palindrome (465545564).
The spelling of 143223223 in words is "one hundred forty-three million, two hundred twenty-three thousand, two hundred twenty-three".
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