Base | Representation |
---|---|
bin | 100011101011… |
… | …1101000111110 |
3 | 1022012111222221 |
4 | 1013113220332 |
5 | 14242142204 |
6 | 1504555554 |
7 | 315011230 |
oct | 107275076 |
9 | 38174887 |
10 | 18709054 |
11 | a619431 |
12 | 6322bba |
13 | 3b50960 |
14 | 26b0250 |
15 | 1998654 |
hex | 11d7a3e |
18709054 has 16 divisors (see below), whose sum is σ = 34540128. Its totient is φ = 7401312.
The previous prime is 18709049. The next prime is 18709081. The reversal of 18709054 is 45090781.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
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, 51217 + ... + 51580.
It is an arithmetic number, because the mean of its divisors is an integer number (2158758).
Almost surely, 218709054 is an apocalyptic number.
18709054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18709054 is a deficient number, since it is larger than the sum of its proper divisors (15831074).
18709054 is a wasteful number, since it uses less digits than its factorization.
18709054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102819.
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 18709054 is about 4325.3963980195. The cubic root of 18709054 is about 265.4711163862.
The spelling of 18709054 in words is "eighteen million, seven hundred nine thousand, fifty-four".
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