Base | Representation |
---|---|
bin | 100100001001… |
… | …0011001000110 |
3 | 1022122202002211 |
4 | 1020102121012 |
5 | 14322342302 |
6 | 1514054034 |
7 | 320032642 |
oct | 110223106 |
9 | 38582084 |
10 | 18949702 |
11 | a773212 |
12 | 641a31a |
13 | 3c06355 |
14 | 2733c22 |
15 | 19e4ad7 |
hex | 1212646 |
18949702 has 16 divisors (see below), whose sum is σ = 29743200. Its totient is φ = 9042880.
The previous prime is 18949681. The next prime is 18949717. The reversal of 18949702 is 20794981.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3327 + ... + 6997.
It is an arithmetic number, because the mean of its divisors is an integer number (1858950).
Almost surely, 218949702 is an apocalyptic number.
18949702 is a deficient number, since it is larger than the sum of its proper divisors (10793498).
18949702 is a wasteful number, since it uses less digits than its factorization.
18949702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3791.
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 18949702 is about 4353.1255437903. The cubic root of 18949702 is about 266.6044914073.
The spelling of 18949702 in words is "eighteen million, nine hundred forty-nine thousand, seven hundred two".
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