Base | Representation |
---|---|
bin | 11101000001001… |
… | …11010101010110 |
3 | 121222001120012102 |
4 | 32200213111112 |
5 | 444304240432 |
6 | 40053322102 |
7 | 6014061422 |
oct | 1640472526 |
9 | 558046172 |
10 | 243430742 |
11 | 115457135 |
12 | 69636332 |
13 | 3b582579 |
14 | 24489b82 |
15 | 16587962 |
hex | e827556 |
243430742 has 16 divisors (see below), whose sum is σ = 371539872. Its totient is φ = 119595840.
The previous prime is 243430741. The next prime is 243430751. The reversal of 243430742 is 247034342.
243430742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243430741) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41708 + ... + 47184.
It is an arithmetic number, because the mean of its divisors is an integer number (23221242).
Almost surely, 2243430742 is an apocalyptic number.
243430742 is a deficient number, since it is larger than the sum of its proper divisors (128109130).
243430742 is a wasteful number, since it uses less digits than its factorization.
243430742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5863.
The product of its (nonzero) digits is 16128, while the sum is 29.
The square root of 243430742 is about 15602.2672070440. The cubic root of 243430742 is about 624.3936450975.
The spelling of 243430742 in words is "two hundred forty-three million, four hundred thirty thousand, seven hundred forty-two".
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