Base | Representation |
---|---|
bin | 100011100000… |
… | …0011111100100 |
3 | 1022000200221110 |
4 | 1013000133210 |
5 | 14231123434 |
6 | 1502545020 |
7 | 314134635 |
oct | 107003744 |
9 | 38020843 |
10 | 18614244 |
11 | a564180 |
12 | 6298170 |
13 | 3b1975c |
14 | 268788c |
15 | 197a4e9 |
hex | 11c07e4 |
18614244 has 48 divisors (see below), whose sum is σ = 47980800. Its totient is φ = 5569440.
The previous prime is 18614213. The next prime is 18614249. The reversal of 18614244 is 44241681.
It is not an unprimeable number, because it can be changed into a prime (18614249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10107 + ... + 11805.
It is an arithmetic number, because the mean of its divisors is an integer number (999600).
Almost surely, 218614244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18614244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23990400).
18614244 is an abundant number, since it is smaller than the sum of its proper divisors (29366556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18614244 is a wasteful number, since it uses less digits than its factorization.
18614244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).
The product of its digits is 6144, while the sum is 30.
The square root of 18614244 is about 4314.4227887401. The cubic root of 18614244 is about 265.0219229519.
It can be divided in two parts, 1861 and 4244, that added together give a triangular number (6105 = T110).
The spelling of 18614244 in words is "eighteen million, six hundred fourteen thousand, two hundred forty-four".
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