Base | Representation |
---|---|
bin | 1000100000001001101111 |
3 | 11012020101220 |
4 | 20200021233 |
5 | 1032310342 |
6 | 115434423 |
7 | 24642045 |
oct | 10401157 |
9 | 4166356 |
10 | 2228847 |
11 | 1292625 |
12 | 8b5a13 |
13 | 60065a |
14 | 420395 |
15 | 2e05ec |
hex | 22026f |
2228847 has 4 divisors (see below), whose sum is σ = 2971800. Its totient is φ = 1485896.
The previous prime is 2228813. The next prime is 2228867. The reversal of 2228847 is 7488222.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2228847 - 26 = 2228783 is a prime.
It is a d-powerful number, because it can be written as 23 + 217 + 221 + 8 + 8 + 44 + 73 .
It is a D-number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2228867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371472 + ... + 371477.
It is an arithmetic number, because the mean of its divisors is an integer number (742950).
22228847 is an apocalyptic number.
2228847 is a deficient number, since it is larger than the sum of its proper divisors (742953).
2228847 is an equidigital number, since it uses as much as digits as its factorization.
2228847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742952.
The product of its digits is 14336, while the sum is 33.
The square root of 2228847 is about 1492.9323494385. The cubic root of 2228847 is about 130.6251350319.
The spelling of 2228847 in words is "two million, two hundred twenty-eight thousand, eight hundred forty-seven".
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