Base | Representation |
---|---|
bin | 11011111110101… |
… | …11100000000111 |
3 | 121100122202122110 |
4 | 31333113200013 |
5 | 440041341033 |
6 | 35142432103 |
7 | 5550021465 |
oct | 1577274007 |
9 | 540582573 |
10 | 234715143 |
11 | 110543a63 |
12 | 66732633 |
13 | 39820500 |
14 | 2325b835 |
15 | 15915363 |
hex | dfd7807 |
234715143 has 24 divisors (see below), whose sum is σ = 340336080. Its totient is φ = 143819520.
The previous prime is 234715123. The next prime is 234715147. The reversal of 234715143 is 341517432.
It is a happy number.
It is not a de Polignac number, because 234715143 - 210 = 234714119 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 234715143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234715147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135523 + ... + 137243.
It is an arithmetic number, because the mean of its divisors is an integer number (14180670).
Almost surely, 2234715143 is an apocalyptic number.
234715143 is a deficient number, since it is larger than the sum of its proper divisors (105620937).
234715143 is a wasteful number, since it uses less digits than its factorization.
234715143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2019 (or 2006 counting only the distinct ones).
The product of its digits is 10080, while the sum is 30.
The square root of 234715143 is about 15320.4158886109. The cubic root of 234715143 is about 616.8511374420.
The spelling of 234715143 in words is "two hundred thirty-four million, seven hundred fifteen thousand, one hundred forty-three".
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