Base | Representation |
---|---|
bin | 11010101000101… |
… | …11010100101111 |
3 | 120120110001002220 |
4 | 31110113110233 |
5 | 424200122343 |
6 | 34101050423 |
7 | 5352141024 |
oct | 1524272457 |
9 | 516401086 |
10 | 223442223 |
11 | 1051444a4 |
12 | 629b6a13 |
13 | 373a4444 |
14 | 2196554b |
15 | 1493a183 |
hex | d51752f |
223442223 has 32 divisors (see below), whose sum is σ = 328320000. Its totient is φ = 134649216.
The previous prime is 223442213. The next prime is 223442239. The reversal of 223442223 is 322244322.
It is a happy number.
It is not a de Polignac number, because 223442223 - 213 = 223434031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 223442193 and 223442202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223442213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110778 + ... + 112776.
It is an arithmetic number, because the mean of its divisors is an integer number (10260000).
Almost surely, 2223442223 is an apocalyptic number.
223442223 is a deficient number, since it is larger than the sum of its proper divisors (104877777).
223442223 is a wasteful number, since it uses less digits than its factorization.
223442223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2111.
The product of its digits is 4608, while the sum is 24.
The square root of 223442223 is about 14947.9839108824. The cubic root of 223442223 is about 606.8132862556.
Adding to 223442223 its reverse (322244322), we get a palindrome (545686545).
The spelling of 223442223 in words is "two hundred twenty-three million, four hundred forty-two thousand, two hundred twenty-three".
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