Base | Representation |
---|---|
bin | 110111010111010000100 |
3 | 10102011112200 |
4 | 12322322010 |
5 | 431023043 |
6 | 102514500 |
7 | 21264030 |
oct | 6727204 |
9 | 3364480 |
10 | 1814148 |
11 | 1029aa6 |
12 | 735a30 |
13 | 4b697b |
14 | 3531c0 |
15 | 25c7d3 |
hex | 1bae84 |
1814148 has 72 divisors (see below), whose sum is σ = 5486208. Its totient is φ = 494208.
The previous prime is 1814143. The next prime is 1814161. The reversal of 1814148 is 8414181.
It is a super-2 number, since 2×18141482 = 6582265931808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1814143) 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 23 ways as a sum of consecutive naturals, for example, 5640 + ... + 5952.
21814148 is an apocalyptic number.
1814148 is a gapful number since it is divisible by the number (18) 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 1814148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743104).
1814148 is an abundant number, since it is smaller than the sum of its proper divisors (3672060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1814148 is a wasteful number, since it uses less digits than its factorization.
1814148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353 (or 348 counting only the distinct ones).
The product of its digits is 1024, while the sum is 27.
The square root of 1814148 is about 1346.9031145558. The cubic root of 1814148 is about 121.9619159099.
The spelling of 1814148 in words is "one million, eight hundred fourteen thousand, one hundred forty-eight".
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