Base | Representation |
---|---|
bin | 1000010011101001… |
… | …1001010111001101 |
3 | 12202101221200202122 |
4 | 2010322121113031 |
5 | 14031323310444 |
6 | 1005134302325 |
7 | 106154562236 |
oct | 20472312715 |
9 | 5671850678 |
10 | 2229900749 |
11 | a447a248a |
12 | 5229579a5 |
13 | 296ca03cb |
14 | 17222208d |
15 | d0b764ee |
hex | 84e995cd |
2229900749 has 2 divisors, whose sum is σ = 2229900750. Its totient is φ = 2229900748.
The previous prime is 2229900737. The next prime is 2229900779. The reversal of 2229900749 is 9470099222.
It is a happy number.
2229900749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2144338249 + 85562500 = 46307^2 + 9250^2 .
It is a cyclic number.
It is not a de Polignac number, because 2229900749 - 212 = 2229896653 is a prime.
It is a super-2 number, since 2×22299007492 = 9944914700781522002, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2229900709) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114950374 + 1114950375.
It is an arithmetic number, because the mean of its divisors is an integer number (1114950375).
Almost surely, 22229900749 is an apocalyptic number.
It is an amenable number.
2229900749 is a deficient number, since it is larger than the sum of its proper divisors (1).
2229900749 is an equidigital number, since it uses as much as digits as its factorization.
2229900749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 2229900749 is about 47221.8249223810. The cubic root of 2229900749 is about 1306.4571733580.
The spelling of 2229900749 in words is "two billion, two hundred twenty-nine million, nine hundred thousand, seven hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •