Base | Representation |
---|---|
bin | 100010011000… |
… | …1010010110000 |
3 | 1020220220100110 |
4 | 1010301102300 |
5 | 14103341241 |
6 | 1442221320 |
7 | 306142611 |
oct | 104612260 |
9 | 36826313 |
10 | 18027696 |
11 | a1a3525 |
12 | 6054840 |
13 | 397279b |
14 | 2573c08 |
15 | 18b1816 |
hex | 11314b0 |
18027696 has 80 divisors (see below), whose sum is σ = 48711168. Its totient is φ = 5740800.
The previous prime is 18027679. The next prime is 18027697. The reversal of 18027696 is 69672081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18027697) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137551 + ... + 137681.
Almost surely, 218027696 is an apocalyptic number.
18027696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18027696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24355584).
18027696 is an abundant number, since it is smaller than the sum of its proper divisors (30683472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18027696 is a wasteful number, since it uses less digits than its factorization.
18027696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 18027696 is about 4245.9034374324. The cubic root of 18027696 is about 262.2084854540.
The spelling of 18027696 in words is "eighteen million, twenty-seven thousand, six hundred ninety-six".
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