Base | Representation |
---|---|
bin | 100101100000001011101 |
3 | 2022102201120 |
4 | 10230001131 |
5 | 303311033 |
6 | 42201153 |
7 | 13305531 |
oct | 4540135 |
9 | 2272646 |
10 | 1228893 |
11 | 76a316 |
12 | 4b31b9 |
13 | 340473 |
14 | 23dbc1 |
15 | 1941b3 |
hex | 12c05d |
1228893 has 16 divisors (see below), whose sum is σ = 1712256. Its totient is φ = 783360.
The previous prime is 1228891. The next prime is 1228907. The reversal of 1228893 is 3988221.
It is not a de Polignac number, because 1228893 - 21 = 1228891 is a prime.
1228893 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1228891) 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, 11880 + ... + 11982.
It is an arithmetic number, because the mean of its divisors is an integer number (107016).
21228893 is an apocalyptic number.
It is an amenable number.
1228893 is a deficient number, since it is larger than the sum of its proper divisors (483363).
1228893 is a wasteful number, since it uses less digits than its factorization.
1228893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244.
The product of its digits is 6912, while the sum is 33.
The square root of 1228893 is about 1108.5544641559. The cubic root of 1228893 is about 107.1119740832. Note that the first 3 decimals are identical.
The spelling of 1228893 in words is "one million, two hundred twenty-eight thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •