Base | Representation |
---|---|
bin | 11111000100100000000 |
3 | 1220201120212 |
4 | 3320210000 |
5 | 230034422 |
6 | 33453252 |
7 | 11440154 |
oct | 3704400 |
9 | 1821525 |
10 | 1018112 |
11 | 635a17 |
12 | 411228 |
13 | 298544 |
14 | 1c7064 |
15 | 1519e2 |
hex | f8900 |
1018112 has 36 divisors (see below), whose sum is σ = 2103276. Its totient is φ = 491520.
The previous prime is 1018109. The next prime is 1018123. The reversal of 1018112 is 2118101.
It can be written as a sum of positive squares in 2 ways, for example, as 215296 + 802816 = 464^2 + 896^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10448 + ... + 10544.
21018112 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 1018112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051638).
1018112 is an abundant number, since it is smaller than the sum of its proper divisors (1085164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1018112 is an frugal number, since it uses more digits than its factorization.
1018112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154 (or 140 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
The square root of 1018112 is about 1009.0153616274. The cubic root of 1018112 is about 100.6001246331.
The spelling of 1018112 in words is "one million, eighteen thousand, one hundred twelve".
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