Base | Representation |
---|---|
bin | 1100011010100… |
… | …1000001011111 |
3 | 10121222120002201 |
4 | 3012221001133 |
5 | 101312310133 |
6 | 5100032331 |
7 | 1201415665 |
oct | 306510137 |
9 | 117876081 |
10 | 52072543 |
11 | 27436966 |
12 | 155326a7 |
13 | aa32873 |
14 | 6cb6c35 |
15 | 4888d7d |
hex | 31a905f |
52072543 has 2 divisors, whose sum is σ = 52072544. Its totient is φ = 52072542.
The previous prime is 52072541. The next prime is 52072549. The reversal of 52072543 is 34527025.
52072543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 52072543 - 21 = 52072541 is a prime.
Together with 52072541, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52072541) 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 as a sum of consecutive naturals, namely, 26036271 + 26036272.
It is an arithmetic number, because the mean of its divisors is an integer number (26036272).
Almost surely, 252072543 is an apocalyptic number.
52072543 is a deficient number, since it is larger than the sum of its proper divisors (1).
52072543 is an equidigital number, since it uses as much as digits as its factorization.
52072543 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8400, while the sum is 28.
The square root of 52072543 is about 7216.1307499241. The cubic root of 52072543 is about 373.4246039780.
Adding to 52072543 its reverse (34527025), we get a palindrome (86599568).
It can be divided in two parts, 5207 and 2543, that added together give a triangular number (7750 = T124).
The spelling of 52072543 in words is "fifty-two million, seventy-two thousand, five hundred forty-three".
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