Base | Representation |
---|---|
bin | 100011100110… |
… | …1110111010110 |
3 | 1022010111001222 |
4 | 1013031313112 |
5 | 14234402024 |
6 | 1504050342 |
7 | 314453420 |
oct | 107156726 |
9 | 38114058 |
10 | 18669014 |
11 | a5a1341 |
12 | 63039b2 |
13 | 3b38670 |
14 | 269d810 |
15 | 198b85e |
hex | 11cddd6 |
18669014 has 32 divisors (see below), whose sum is σ = 35003136. Its totient is φ = 7270560.
The previous prime is 18668959. The next prime is 18669017. The reversal of 18669014 is 41096681.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18669017) 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, 11429 + ... + 12959.
It is an arithmetic number, because the mean of its divisors is an integer number (1093848).
Almost surely, 218669014 is an apocalyptic number.
18669014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18669014 is a deficient number, since it is larger than the sum of its proper divisors (16334122).
18669014 is a wasteful number, since it uses less digits than its factorization.
18669014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1620.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 18669014 is about 4320.7654414467. The cubic root of 18669014 is about 265.2815993147.
The spelling of 18669014 in words is "eighteen million, six hundred sixty-nine thousand, fourteen".
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