Base | Representation |
---|---|
bin | 100011111010… |
… | …0111100001001 |
3 | 1022102121121210 |
4 | 1013310330021 |
5 | 14310012230 |
6 | 1511323333 |
7 | 316021143 |
oct | 107647411 |
9 | 38377553 |
10 | 18829065 |
11 | a6a0612 |
12 | 6380549 |
13 | 3b93478 |
14 | 2701c93 |
15 | 19bdeb0 |
hex | 11f4f09 |
18829065 has 16 divisors (see below), whose sum is σ = 31436928. Its totient is φ = 9605376.
The previous prime is 18829061. The next prime is 18829073. The reversal of 18829065 is 56092881.
It is not a de Polignac number, because 18829065 - 22 = 18829061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18829061) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 26944 + ... + 27633.
It is an arithmetic number, because the mean of its divisors is an integer number (1964808).
Almost surely, 218829065 is an apocalyptic number.
18829065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18829065 is a deficient number, since it is larger than the sum of its proper divisors (12607863).
18829065 is a wasteful number, since it uses less digits than its factorization.
18829065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54608.
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 18829065 is about 4339.2470545015. The cubic root of 18829065 is about 266.0375368664.
The spelling of 18829065 in words is "eighteen million, eight hundred twenty-nine thousand, sixty-five".
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