Base | Representation |
---|---|
bin | 11100111110001… |
… | …00000100001110 |
3 | 121221021220110011 |
4 | 32133010010032 |
5 | 444203233032 |
6 | 40040503434 |
7 | 6010446124 |
oct | 1637040416 |
9 | 557256404 |
10 | 243024142 |
11 | 1151a96a9 |
12 | 6947ab7a |
13 | 3b46c48a |
14 | 243c1914 |
15 | 16507247 |
hex | e7c410e |
243024142 has 8 divisors (see below), whose sum is σ = 369977256. Its totient is φ = 119698392.
The previous prime is 243024139. The next prime is 243024143. The reversal of 243024142 is 241420342.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243024143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906673 + ... + 906940.
It is an arithmetic number, because the mean of its divisors is an integer number (46247157).
Almost surely, 2243024142 is an apocalyptic number.
243024142 is a deficient number, since it is larger than the sum of its proper divisors (126953114).
243024142 is a wasteful number, since it uses less digits than its factorization.
243024142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1813682.
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 243024142 is about 15589.2316038989. The cubic root of 243024142 is about 624.0458118212.
Adding to 243024142 its reverse (241420342), we get a palindrome (484444484).
The spelling of 243024142 in words is "two hundred forty-three million, twenty-four thousand, one hundred forty-two".
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