Base | Representation |
---|---|
bin | 1101011100100… |
… | …0010111100111 |
3 | 10221010011201120 |
4 | 3113020113213 |
5 | 103414121424 |
6 | 5332425023 |
7 | 1253231415 |
oct | 327102747 |
9 | 127104646 |
10 | 56395239 |
11 | 2991963a |
12 | 16a78173 |
13 | b8b7284 |
14 | 76c02b5 |
15 | 4e3ea79 |
hex | 35c85e7 |
56395239 has 16 divisors (see below), whose sum is σ = 80252928. Its totient is φ = 35102592.
The previous prime is 56395237. The next prime is 56395247. The reversal of 56395239 is 93259365.
It is not a de Polignac number, because 56395239 - 21 = 56395237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 56395239.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56395237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2124 + ... + 10830.
It is an arithmetic number, because the mean of its divisors is an integer number (5015808).
Almost surely, 256395239 is an apocalyptic number.
56395239 is a deficient number, since it is larger than the sum of its proper divisors (23857689).
56395239 is a wasteful number, since it uses less digits than its factorization.
56395239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8854.
The product of its digits is 218700, while the sum is 42.
The square root of 56395239 is about 7509.6763578732. The cubic root of 56395239 is about 383.4842046748.
It can be divided in two parts, 5639 and 5239, that added together give a triangular number (10878 = T147).
The spelling of 56395239 in words is "fifty-six million, three hundred ninety-five thousand, two hundred thirty-nine".
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