Base | Representation |
---|---|
bin | 1100011001101… |
… | …0100001010111 |
3 | 10121212112121201 |
4 | 3012122201113 |
5 | 101303410033 |
6 | 5054453331 |
7 | 1201050550 |
oct | 306324127 |
9 | 117775551 |
10 | 52013143 |
11 | 273a6276 |
12 | 15504247 |
13 | aa11810 |
14 | 6c9d327 |
15 | 487647d |
hex | 319a857 |
52013143 has 16 divisors (see below), whose sum is σ = 66802176. Its totient is φ = 39362400.
The previous prime is 52013141. The next prime is 52013147. The reversal of 52013143 is 34131025.
52013143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 52013143 - 21 = 52013141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 52013143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52013141) 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 15 ways as a sum of consecutive naturals, for example, 10333 + ... + 14518.
It is an arithmetic number, because the mean of its divisors is an integer number (4175136).
Almost surely, 252013143 is an apocalyptic number.
52013143 is a deficient number, since it is larger than the sum of its proper divisors (14789033).
52013143 is a wasteful number, since it uses less digits than its factorization.
52013143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24894.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 52013143 is about 7212.0137964372. The cubic root of 52013143 is about 373.2825594392.
Adding to 52013143 its reverse (34131025), we get a palindrome (86144168).
The spelling of 52013143 in words is "fifty-two million, thirteen thousand, one hundred forty-three".
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