Base | Representation |
---|---|
bin | 11011111100100… |
… | …01111110001001 |
3 | 121100010021222101 |
4 | 31332101332021 |
5 | 440003232340 |
6 | 35132353401 |
7 | 5544424252 |
oct | 1576217611 |
9 | 540107871 |
10 | 234430345 |
11 | 110369a96 |
12 | 66615861 |
13 | 397509a6 |
14 | 231c5b29 |
15 | 158aac9a |
hex | df91f89 |
234430345 has 16 divisors (see below), whose sum is σ = 292559760. Its totient is φ = 180117504.
The previous prime is 234430337. The next prime is 234430373. The reversal of 234430345 is 543034432.
It can be written as a sum of positive squares in 8 ways, for example, as 34292736 + 200137609 = 5856^2 + 14147^2 .
It is a cyclic number.
It is not a de Polignac number, because 234430345 - 23 = 234430337 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23797 + ... + 32173.
It is an arithmetic number, because the mean of its divisors is an integer number (18284985).
Almost surely, 2234430345 is an apocalyptic number.
It is an amenable number.
234430345 is a deficient number, since it is larger than the sum of its proper divisors (58129415).
234430345 is a wasteful number, since it uses less digits than its factorization.
234430345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8604.
The product of its (nonzero) digits is 17280, while the sum is 28.
The square root of 234430345 is about 15311.1183458296. The cubic root of 234430345 is about 616.6015454324.
Adding to 234430345 its reverse (543034432), we get a palindrome (777464777).
The spelling of 234430345 in words is "two hundred thirty-four million, four hundred thirty thousand, three hundred forty-five".
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