Base | Representation |
---|---|
bin | 110100111100… |
… | …101010101111 |
3 | 222010011202110 |
4 | 310330222233 |
5 | 12023124413 |
6 | 1213255103 |
7 | 225656265 |
oct | 64745257 |
9 | 28104673 |
10 | 13879983 |
11 | 7920267 |
12 | 4794493 |
13 | 2b4c910 |
14 | 1bb4435 |
15 | 13428c3 |
hex | d3caaf |
13879983 has 16 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 8512224.
The previous prime is 13879979. The next prime is 13879997. The reversal of 13879983 is 38997831.
13879983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13879983 - 22 = 13879979 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13879183) 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, 18310 + ... + 19052.
It is an arithmetic number, because the mean of its divisors is an integer number (1249920).
Almost surely, 213879983 is an apocalyptic number.
13879983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13879983 is a deficient number, since it is larger than the sum of its proper divisors (6118737).
13879983 is a wasteful number, since it uses less digits than its factorization.
13879983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1238.
The product of its digits is 326592, while the sum is 48.
The square root of 13879983 is about 3725.5849205192. The cubic root of 13879983 is about 240.3235393413.
The spelling of 13879983 in words is "thirteen million, eight hundred seventy-nine thousand, nine hundred eighty-three".
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