Base | Representation |
---|---|
bin | 100011100110… |
… | …1110111111010 |
3 | 1022010111010022 |
4 | 1013031313322 |
5 | 14234402200 |
6 | 1504050442 |
7 | 314453501 |
oct | 107156772 |
9 | 38114108 |
10 | 18669050 |
11 | a5a1374 |
12 | 6303a22 |
13 | 3b3869a |
14 | 269d838 |
15 | 198b885 |
hex | 11cddfa |
18669050 has 24 divisors (see below), whose sum is σ = 35299452. Its totient is φ = 7344000.
The previous prime is 18669047. The next prime is 18669061. The reversal of 18669050 is 5096681.
It can be written as a sum of positive squares in 6 ways, for example, as 273529 + 18395521 = 523^2 + 4289^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 18669050.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11 + ... + 6110.
Almost surely, 218669050 is an apocalyptic number.
18669050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18669050 is a deficient number, since it is larger than the sum of its proper divisors (16630402).
18669050 is a wasteful number, since it uses less digits than its factorization.
18669050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6194 (or 6189 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 18669050 is about 4320.7696073732. The cubic root of 18669050 is about 265.2817698313.
The spelling of 18669050 in words is "eighteen million, six hundred sixty-nine thousand, fifty".
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