| Base | Representation |
|---|---|
| bin | 11101000001001… |
| … | …01100011010100 |
| 3 | 121222001012012010 |
| 4 | 32200211203110 |
| 5 | 444304022234 |
| 6 | 40053224220 |
| 7 | 6014031225 |
| oct | 1640454324 |
| 9 | 558035163 |
| 10 | 243423444 |
| 11 | 115451700 |
| 12 | 69632070 |
| 13 | 3b57c154 |
| 14 | 2448724c |
| 15 | 165856e9 |
| hex | e8258d4 |
243423444 has 144 divisors (see below), whose sum is σ = 672465024. Its totient is φ = 68302080.
The previous prime is 243423431. The next prime is 243423449. The reversal of 243423444 is 444324342.
243423444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2434234442 = 118509946177642272, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243423449) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235554 + ... + 1235750.
It is an arithmetic number, because the mean of its divisors is an integer number (4669896).
Almost surely, 2243423444 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 243423444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336232512).
243423444 is an abundant number, since it is smaller than the sum of its proper divisors (429041580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243423444 is a wasteful number, since it uses less digits than its factorization.
243423444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286 (or 273 counting only the distinct ones).
The product of its digits is 36864, while the sum is 30.
The square root of 243423444 is about 15602.0333290248. The cubic root of 243423444 is about 624.3874053072.
Adding to 243423444 its reverse (444324342), we get a palindrome (687747786).
It can be divided in two parts, 2434 and 23444, that added together give a triangular number (25878 = T227).
The spelling of 243423444 in words is "two hundred forty-three million, four hundred twenty-three thousand, four hundred forty-four".
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