Base | Representation |
---|---|
bin | 10001000110001… |
… | …01011111001010 |
3 | 100222212020201122 |
4 | 20203011133022 |
5 | 243203241432 |
6 | 22121515242 |
7 | 3361003145 |
oct | 1043053712 |
9 | 328766648 |
10 | 143415242 |
11 | 73a54aa3 |
12 | 40042b22 |
13 | 239349b9 |
14 | 1509305c |
15 | c8cd612 |
hex | 88c57ca |
143415242 has 16 divisors (see below), whose sum is σ = 218836512. Its totient is φ = 70474800.
The previous prime is 143415241. The next prime is 143415301. The reversal of 143415242 is 242514341.
It is not an unprimeable number, because it can be changed into a prime (143415241) 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 7 ways as a sum of consecutive naturals, for example, 74492 + ... + 76392.
It is an arithmetic number, because the mean of its divisors is an integer number (13677282).
Almost surely, 2143415242 is an apocalyptic number.
143415242 is a deficient number, since it is larger than the sum of its proper divisors (75421270).
143415242 is a wasteful number, since it uses less digits than its factorization.
143415242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2533.
The product of its digits is 3840, while the sum is 26.
The square root of 143415242 is about 11975.6102976007. The cubic root of 143415242 is about 523.4378257908.
Adding to 143415242 its reverse (242514341), we get a palindrome (385929583).
Subtracting 143415242 from its reverse (242514341), we obtain a palindrome (99099099).
The spelling of 143415242 in words is "one hundred forty-three million, four hundred fifteen thousand, two hundred forty-two".
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