Base | Representation |
---|---|
bin | 100100000001… |
… | …0110111000100 |
3 | 1022112111211121 |
4 | 1020002313010 |
5 | 14313323314 |
6 | 1512443324 |
7 | 316346320 |
oct | 110026704 |
9 | 38474747 |
10 | 18886084 |
11 | a72a438 |
12 | 63a9544 |
13 | 3bb33c9 |
14 | 2718980 |
15 | 19d0d24 |
hex | 1202dc4 |
18886084 has 24 divisors (see below), whose sum is σ = 37889600. Its totient is φ = 8068896.
The previous prime is 18886081. The next prime is 18886121. The reversal of 18886084 is 48068881.
It is a self number, because there is not a number n which added to its sum of digits gives 18886084.
It is not an unprimeable number, because it can be changed into a prime (18886081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10267 + ... + 11965.
Almost surely, 218886084 is an apocalyptic number.
18886084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18886084 is an abundant number, since it is smaller than the sum of its proper divisors (19003516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18886084 is a wasteful number, since it uses less digits than its factorization.
18886084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 43.
The square root of 18886084 is about 4345.8122370853. The cubic root of 18886084 is about 266.3058084280.
The spelling of 18886084 in words is "eighteen million, eight hundred eighty-six thousand, eighty-four".
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