Base | Representation |
---|---|
bin | 10001000110001… |
… | …11101011010011 |
3 | 100222212201000211 |
4 | 20203013223103 |
5 | 243204033321 |
6 | 22122024551 |
7 | 3361041250 |
oct | 1043075323 |
9 | 328781024 |
10 | 143424211 |
11 | 73a60807 |
12 | 40048157 |
13 | 23938ac8 |
14 | 15096427 |
15 | c8d10e1 |
hex | 88c7ad3 |
143424211 has 4 divisors (see below), whose sum is σ = 163913392. Its totient is φ = 122935032.
The previous prime is 143424187. The next prime is 143424241. The reversal of 143424211 is 112424341.
It is a happy number.
143424211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112424341 = 757 ⋅148513.
It is a cyclic number.
It is not a de Polignac number, because 143424211 - 225 = 109869779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143424241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10244580 + ... + 10244593.
It is an arithmetic number, because the mean of its divisors is an integer number (40978348).
Almost surely, 2143424211 is an apocalyptic number.
143424211 is a deficient number, since it is larger than the sum of its proper divisors (20489181).
143424211 is an equidigital number, since it uses as much as digits as its factorization.
143424211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20489180.
The product of its digits is 768, while the sum is 22.
The square root of 143424211 is about 11975.9847611793. The cubic root of 143424211 is about 523.4487372670.
Adding to 143424211 its reverse (112424341), we get a palindrome (255848552).
The spelling of 143424211 in words is "one hundred forty-three million, four hundred twenty-four thousand, two hundred eleven".
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