Base | Representation |
---|---|
bin | 100010011101… |
… | …1000101111010 |
3 | 1020222221102001 |
4 | 1010323011322 |
5 | 14111132314 |
6 | 1443131214 |
7 | 306400621 |
oct | 104730572 |
9 | 36887361 |
10 | 18067834 |
11 | a2206a4 |
12 | 6073b0a |
13 | 3987b35 |
14 | 25846b8 |
15 | 18bd674 |
hex | 113b17a |
18067834 has 32 divisors (see below), whose sum is σ = 29569536. Its totient is φ = 8257920.
The previous prime is 18067817. The next prime is 18067843. The reversal of 18067834 is 43876081.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18067793 and 18067802.
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 15 ways as a sum of consecutive naturals, for example, 131814 + ... + 131950.
It is an arithmetic number, because the mean of its divisors is an integer number (924048).
Almost surely, 218067834 is an apocalyptic number.
18067834 is a deficient number, since it is larger than the sum of its proper divisors (11501702).
18067834 is a wasteful number, since it uses less digits than its factorization.
18067834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 18067834 is about 4250.6274830900. The cubic root of 18067834 is about 262.4029403826.
The spelling of 18067834 in words is "eighteen million, sixty-seven thousand, eight hundred thirty-four".
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