Base | Representation |
---|---|
bin | 1100100110111… |
… | …0100001000111 |
3 | 10200111122202022 |
4 | 3021232201013 |
5 | 102014201404 |
6 | 5125233355 |
7 | 1211325260 |
oct | 311564107 |
9 | 120448668 |
10 | 52881479 |
11 | 27939702 |
12 | 1586285b |
13 | ac56b21 |
14 | 7047967 |
15 | 49988be |
hex | 326e847 |
52881479 has 8 divisors (see below), whose sum is σ = 61035168. Its totient is φ = 44877600.
The previous prime is 52881391. The next prime is 52881481. The reversal of 52881479 is 97418825.
52881479 = 6732 + 6742 + ... + 7732.
52881479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52881479 - 28 = 52881223 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 (52881779) 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 7 ways as a sum of consecutive naturals, for example, 36692 + ... + 38105.
It is an arithmetic number, because the mean of its divisors is an integer number (7629396).
Almost surely, 252881479 is an apocalyptic number.
52881479 is a deficient number, since it is larger than the sum of its proper divisors (8153689).
52881479 is a wasteful number, since it uses less digits than its factorization.
52881479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74905.
The product of its digits is 161280, while the sum is 44.
The square root of 52881479 is about 7271.9652776949. The cubic root of 52881479 is about 375.3483672368.
The spelling of 52881479 in words is "fifty-two million, eight hundred eighty-one thousand, four hundred seventy-nine".
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