Base | Representation |
---|---|
bin | 11010111100010… |
… | …01011010011001 |
3 | 120202021022212211 |
4 | 31132021122121 |
5 | 430324203211 |
6 | 34232035121 |
7 | 5413011415 |
oct | 1536113231 |
9 | 522238784 |
10 | 226006681 |
11 | 10663618a |
12 | 63832aa1 |
13 | 37a91784 |
14 | 22031d45 |
15 | 14c94e21 |
hex | d789699 |
226006681 has 12 divisors (see below), whose sum is σ = 233086572. Its totient is φ = 219056448.
The previous prime is 226006679. The next prime is 226006699. The reversal of 226006681 is 186600622.
It can be written as a sum of positive squares in 6 ways, for example, as 4473225 + 221533456 = 2115^2 + 14884^2 .
It is not a de Polignac number, because 226006681 - 21 = 226006679 is a prime.
It is a super-2 number, since 2×2260066812 = 102158039713271522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (226006631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306311 + ... + 1306483.
It is an arithmetic number, because the mean of its divisors is an integer number (19423881).
Almost surely, 2226006681 is an apocalyptic number.
It is an amenable number.
226006681 is a deficient number, since it is larger than the sum of its proper divisors (7079891).
226006681 is an equidigital number, since it uses as much as digits as its factorization.
226006681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 540 (or 383 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 226006681 is about 15033.5185834854. The cubic root of 226006681 is about 609.1259370899.
The spelling of 226006681 in words is "two hundred twenty-six million, six thousand, six hundred eighty-one".
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