Base | Representation |
---|---|
bin | 11010001101001111100000 |
3 | 110221000211212 |
4 | 122031033200 |
5 | 3224314414 |
6 | 403125252 |
7 | 112252052 |
oct | 32151740 |
9 | 13830755 |
10 | 6869984 |
11 | 3972580 |
12 | 2373828 |
13 | 1566ca4 |
14 | cab8d2 |
15 | 90a83e |
hex | 68d3e0 |
6869984 has 48 divisors (see below), whose sum is σ = 15286320. Its totient is φ = 3010560.
The previous prime is 6869977. The next prime is 6869987. The reversal of 6869984 is 4899686.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6869987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9872 + ... + 10544.
It is an arithmetic number, because the mean of its divisors is an integer number (318465).
Almost surely, 26869984 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6869984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7643160).
6869984 is an abundant number, since it is smaller than the sum of its proper divisors (8416336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6869984 is a wasteful number, since it uses less digits than its factorization.
6869984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723 (or 715 counting only the distinct ones).
The product of its digits is 746496, while the sum is 50.
The square root of 6869984 is about 2621.0654322241. The cubic root of 6869984 is about 190.1013678851.
The spelling of 6869984 in words is "six million, eight hundred sixty-nine thousand, nine hundred eighty-four".
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