Base | Representation |
---|---|
bin | 11010100011000… |
… | …00111011101101 |
3 | 120112001002022111 |
4 | 31101200323231 |
5 | 424002221044 |
6 | 34033044021 |
7 | 5342606665 |
oct | 1521407355 |
9 | 515032274 |
10 | 222695149 |
11 | 104784186 |
12 | 626b6611 |
13 | 371a23a1 |
14 | 2180d1a5 |
15 | 1483db34 |
hex | d460eed |
222695149 has 8 divisors (see below), whose sum is σ = 228385080. Its totient is φ = 217017600.
The previous prime is 222695117. The next prime is 222695191. The reversal of 222695149 is 941596222.
It can be written as a sum of positive squares in 4 ways, for example, as 2617924 + 220077225 = 1618^2 + 14835^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222695149 - 25 = 222695117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222695449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41289 + ... + 46369.
It is an arithmetic number, because the mean of its divisors is an integer number (28548135).
Almost surely, 2222695149 is an apocalyptic number.
It is an amenable number.
222695149 is a deficient number, since it is larger than the sum of its proper divisors (5689931).
222695149 is a wasteful number, since it uses less digits than its factorization.
222695149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6191.
The product of its digits is 77760, while the sum is 40.
The square root of 222695149 is about 14922.9738658218. The cubic root of 222695149 is about 606.1362423181.
The spelling of 222695149 in words is "two hundred twenty-two million, six hundred ninety-five thousand, one hundred forty-nine".
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