Base | Representation |
---|---|
bin | 11010100110010… |
… | …11100111110000 |
3 | 120112212021202111 |
4 | 31103023213300 |
5 | 424110212034 |
6 | 34050255104 |
7 | 5346410014 |
oct | 1523134760 |
9 | 515767674 |
10 | 223132144 |
11 | 104a52534 |
12 | 62887494 |
13 | 372c6271 |
14 | 218c4544 |
15 | 148c8364 |
hex | d4cb9f0 |
223132144 has 20 divisors (see below), whose sum is σ = 439407640. Its totient is φ = 109736640.
The previous prime is 223132139. The next prime is 223132183. The reversal of 223132144 is 441231322.
It is a super-3 number, since 3×2231321443 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113334 + ... + 115285.
It is an arithmetic number, because the mean of its divisors is an integer number (21970382).
Almost surely, 2223132144 is an apocalyptic number.
It is an amenable number.
223132144 is a deficient number, since it is larger than the sum of its proper divisors (216275496).
223132144 is a wasteful number, since it uses less digits than its factorization.
223132144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228688 (or 228682 counting only the distinct ones).
The product of its digits is 1152, while the sum is 22.
The square root of 223132144 is about 14937.6083761759. The cubic root of 223132144 is about 606.5324572632.
Adding to 223132144 its reverse (441231322), we get a palindrome (664363466).
The spelling of 223132144 in words is "two hundred twenty-three million, one hundred thirty-two thousand, one hundred forty-four".
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