Base | Representation |
---|---|
bin | 10011110010100011111111 |
3 | 100202120101012 |
4 | 103302203333 |
5 | 2312002324 |
6 | 303105435 |
7 | 62044616 |
oct | 23624377 |
9 | 10676335 |
10 | 5187839 |
11 | 2a23778 |
12 | 18a227b |
13 | 10c8437 |
14 | 99087d |
15 | 6c720e |
hex | 4f28ff |
5187839 has 12 divisors (see below), whose sum is σ = 5710200. Its totient is φ = 4706688.
The previous prime is 5187827. The next prime is 5187841. The reversal of 5187839 is 9387815.
It is a happy number.
It is not a de Polignac number, because 5187839 - 216 = 5122303 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 5187796 and 5187805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5187859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8072 + ... + 8690.
It is an arithmetic number, because the mean of its divisors is an integer number (475850).
Almost surely, 25187839 is an apocalyptic number.
5187839 is a deficient number, since it is larger than the sum of its proper divisors (522361).
5187839 is a wasteful number, since it uses less digits than its factorization.
5187839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 682 (or 665 counting only the distinct ones).
The product of its digits is 60480, while the sum is 41.
The square root of 5187839 is about 2277.6828137386. The cubic root of 5187839 is about 173.1126600874.
The spelling of 5187839 in words is "five million, one hundred eighty-seven thousand, eight hundred thirty-nine".
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