Base | Representation |
---|---|
bin | 11011111010011… |
… | …00001000000101 |
3 | 121022120202112200 |
4 | 31331030020011 |
5 | 434420104021 |
6 | 35122305113 |
7 | 5542123221 |
oct | 1575141005 |
9 | 538522480 |
10 | 234144261 |
11 | 11019405a |
12 | 664b8199 |
13 | 39680700 |
14 | 2314d781 |
15 | 15851126 |
hex | df4c205 |
234144261 has 18 divisors (see below), whose sum is σ = 366228018. Its totient is φ = 144087840.
The previous prime is 234144223. The next prime is 234144283. The reversal of 234144261 is 162441432.
It is a happy number.
234144261 is a `hidden beast` number, since 234 + 1 + 4 + 426 + 1 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 2160900 + 231983361 = 1470^2 + 15231^2 .
It is not a de Polignac number, because 234144261 - 27 = 234144133 is a prime.
It is a super-2 number, since 2×2341442612 = 109647069918472242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234144221) 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 17 ways as a sum of consecutive naturals, for example, 75450 + ... + 78491.
It is an arithmetic number, because the mean of its divisors is an integer number (20346001).
Almost surely, 2234144261 is an apocalyptic number.
It is an amenable number.
234144261 is a deficient number, since it is larger than the sum of its proper divisors (132083757).
234144261 is a wasteful number, since it uses less digits than its factorization.
234144261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153973 (or 153957 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 234144261 is about 15301.7731325491. The cubic root of 234144261 is about 616.3506227956.
Adding to 234144261 its reverse (162441432), we get a palindrome (396585693).
The spelling of 234144261 in words is "two hundred thirty-four million, one hundred forty-four thousand, two hundred sixty-one".
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