Base | Representation |
---|---|
bin | 100101010101000111011 |
3 | 2022010221201 |
4 | 10222220323 |
5 | 303120402 |
6 | 42115031 |
7 | 13253155 |
oct | 4525073 |
9 | 2263851 |
10 | 1223227 |
11 | 766035 |
12 | 4aba77 |
13 | 33aa05 |
14 | 23bad5 |
15 | 192687 |
hex | 12aa3b |
1223227 has 4 divisors (see below), whose sum is σ = 1225440. Its totient is φ = 1221016.
The previous prime is 1223207. The next prime is 1223231. The reversal of 1223227 is 7223221.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 1223227 - 219 = 698939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1223207) 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 3 ways as a sum of consecutive naturals, for example, 549 + ... + 1657.
It is an arithmetic number, because the mean of its divisors is an integer number (306360).
21223227 is an apocalyptic number.
1223227 is a deficient number, since it is larger than the sum of its proper divisors (2213).
1223227 is a wasteful number, since it uses less digits than its factorization.
1223227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2212.
The product of its digits is 336, while the sum is 19.
The square root of 1223227 is about 1105.9959312764. The cubic root of 1223227 is about 106.9471016949.
Adding to 1223227 its reverse (7223221), we get a palindrome (8446448).
The spelling of 1223227 in words is "one million, two hundred twenty-three thousand, two hundred twenty-seven".
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