Base | Representation |
---|---|
bin | 100010100001… |
… | …1100110111010 |
3 | 1021001201020220 |
4 | 1011003212322 |
5 | 14113241324 |
6 | 1444000510 |
7 | 306604410 |
oct | 105034672 |
9 | 37051226 |
10 | 18102714 |
11 | a244923 |
12 | 6090136 |
13 | 399a986 |
14 | 25932b0 |
15 | 18c8b79 |
hex | 11439ba |
18102714 has 16 divisors (see below), whose sum is σ = 41377728. Its totient is φ = 5172192.
The previous prime is 18102709. The next prime is 18102727. The reversal of 18102714 is 41720181.
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, 215467 + ... + 215550.
It is an arithmetic number, because the mean of its divisors is an integer number (2586108).
Almost surely, 218102714 is an apocalyptic number.
18102714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18102714 is an abundant number, since it is smaller than the sum of its proper divisors (23275014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18102714 is a wasteful number, since it uses less digits than its factorization.
18102714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431029.
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 18102714 is about 4254.7284284664. The cubic root of 18102714 is about 262.5716883567.
Adding to 18102714 its reverse (41720181), we get a palindrome (59822895).
The spelling of 18102714 in words is "eighteen million, one hundred two thousand, seven hundred fourteen".
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