Base | Representation |
---|---|
bin | 1100100100010… |
… | …1001011001111 |
3 | 10200012001110121 |
4 | 3021011023033 |
5 | 101443242033 |
6 | 5121445411 |
7 | 1210021501 |
oct | 311051317 |
9 | 120161417 |
10 | 52712143 |
11 | 27833460 |
12 | 157a0867 |
13 | abc7a23 |
14 | 7001d71 |
15 | 496362d |
hex | 32452cf |
52712143 has 4 divisors (see below), whose sum is σ = 57504168. Its totient is φ = 47920120.
The previous prime is 52712141. The next prime is 52712201. The reversal of 52712143 is 34121725.
It is a happy number.
52712143 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.
It is a cyclic number.
It is not a de Polignac number, because 52712143 - 21 = 52712141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52712141) 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, 2395996 + ... + 2396017.
It is an arithmetic number, because the mean of its divisors is an integer number (14376042).
Almost surely, 252712143 is an apocalyptic number.
52712143 is a deficient number, since it is larger than the sum of its proper divisors (4792025).
52712143 is a wasteful number, since it uses less digits than its factorization.
52712143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4792024.
The product of its digits is 1680, while the sum is 25.
The square root of 52712143 is about 7260.3128720462. The cubic root of 52712143 is about 374.9472945186.
Adding to 52712143 its reverse (34121725), we get a palindrome (86833868).
The spelling of 52712143 in words is "fifty-two million, seven hundred twelve thousand, one hundred forty-three".
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