Base | Representation |
---|---|
bin | 100010111000… |
… | …1000111111100 |
3 | 1021102011222212 |
4 | 1011301013330 |
5 | 14140223043 |
6 | 1451555552 |
7 | 311312063 |
oct | 105610774 |
9 | 37364885 |
10 | 18289148 |
11 | a3619a9 |
12 | 615bbb8 |
13 | 3a347a7 |
14 | 26011da |
15 | 1914018 |
hex | 11711fc |
18289148 has 12 divisors (see below), whose sum is σ = 32132352. Its totient is φ = 9108480.
The previous prime is 18289123. The next prime is 18289151. The reversal of 18289148 is 84198281.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7868 + ... + 9923.
It is an arithmetic number, because the mean of its divisors is an integer number (2677696).
Almost surely, 218289148 is an apocalyptic number.
It is an amenable number.
18289148 is a deficient number, since it is larger than the sum of its proper divisors (13843204).
18289148 is a wasteful number, since it uses less digits than its factorization.
18289148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18052 (or 18050 counting only the distinct ones).
The product of its digits is 36864, while the sum is 41.
The square root of 18289148 is about 4276.5813449530. The cubic root of 18289148 is about 263.4699919139.
The spelling of 18289148 in words is "eighteen million, two hundred eighty-nine thousand, one hundred forty-eight".
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