Base | Representation |
---|---|
bin | 100010011011… |
… | …1110011100010 |
3 | 1020222020221101 |
4 | 1010313303202 |
5 | 14110214440 |
6 | 1442545014 |
7 | 306313435 |
oct | 104676342 |
9 | 36866841 |
10 | 18054370 |
11 | a211574 |
12 | 606816a |
13 | 3981979 |
14 | 257d81c |
15 | 18b969a |
hex | 1137ce2 |
18054370 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 6788736.
The previous prime is 18054347. The next prime is 18054371. The reversal of 18054370 is 7345081.
It is not an unprimeable number, because it can be changed into a prime (18054371) 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, 31446 + ... + 32014.
It is an arithmetic number, because the mean of its divisors is an integer number (1077300).
Almost surely, 218054370 is an apocalyptic number.
18054370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18054370 is a deficient number, since it is larger than the sum of its proper divisors (16419230).
18054370 is a wasteful number, since it uses less digits than its factorization.
18054370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 18054370 is about 4249.0434217598. The cubic root of 18054370 is about 262.3377440206.
The spelling of 18054370 in words is "eighteen million, fifty-four thousand, three hundred seventy".
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