Base | Representation |
---|---|
bin | 111111100000111001011 |
3 | 10220201220111 |
4 | 13330013023 |
5 | 1013044402 |
6 | 112335151 |
7 | 23455501 |
oct | 7740713 |
9 | 3821814 |
10 | 2081227 |
11 | 11a1725 |
12 | 8444b7 |
13 | 57b3c5 |
14 | 3c2671 |
15 | 2b19d7 |
hex | 1fc1cb |
2081227 has 4 divisors (see below), whose sum is σ = 2085616. Its totient is φ = 2076840.
The previous prime is 2081171. The next prime is 2081237. The reversal of 2081227 is 7221802.
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 2081227 - 27 = 2081099 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2081198 and 2081207.
It is not an unprimeable number, because it can be changed into a prime (2081237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383 + ... + 2464.
It is an arithmetic number, because the mean of its divisors is an integer number (521404).
22081227 is an apocalyptic number.
2081227 is a deficient number, since it is larger than the sum of its proper divisors (4389).
2081227 is an equidigital number, since it uses as much as digits as its factorization.
2081227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4388.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 2081227 is about 1442.6458331829. The cubic root of 2081227 is about 127.6751814688.
The spelling of 2081227 in words is "two million, eighty-one thousand, two hundred twenty-seven".
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