| Base | Representation |
|---|---|
| bin | 11101000000011… |
| … | …01100000101100 |
| 3 | 121221212012010000 |
| 4 | 32200031200230 |
| 5 | 444242344342 |
| 6 | 40051144300 |
| 7 | 6013141152 |
| oct | 1640154054 |
| 9 | 557765100 |
| 10 | 243324972 |
| 11 | 115394720 |
| 12 | 695a5090 |
| 13 | 3b546397 |
| 14 | 2445d3d2 |
| 15 | 1656644c |
| hex | e80d82c |
243324972 has 120 divisors (see below), whose sum is σ = 704975040. Its totient is φ = 72563040.
The previous prime is 243324971. The next prime is 243324979. The reversal of 243324972 is 279423342.
It is a happy number.
243324972 is a `hidden beast` number, since 243 + 324 + 97 + 2 = 666.
243324972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (243324971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 238279 + ... + 239297.
It is an arithmetic number, because the mean of its divisors is an integer number (5874792).
Almost surely, 2243324972 is an apocalyptic number.
243324972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 243324972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352487520).
243324972 is an abundant number, since it is smaller than the sum of its proper divisors (461650068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243324972 is a wasteful number, since it uses less digits than its factorization.
243324972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113 (or 1102 counting only the distinct ones).
The product of its digits is 72576, while the sum is 36.
The square root of 243324972 is about 15598.8772672907. The cubic root of 243324972 is about 624.3031995460.
The spelling of 243324972 in words is "two hundred forty-three million, three hundred twenty-four thousand, nine hundred seventy-two".
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