Base | Representation |
---|---|
bin | 11011111000111… |
… | …11011100001001 |
3 | 121022020110110120 |
4 | 31330133130021 |
5 | 434343224400 |
6 | 35114333453 |
7 | 5540431461 |
oct | 1574373411 |
9 | 538213416 |
10 | 233961225 |
11 | 110079593 |
12 | 6642a289 |
13 | 396182c4 |
14 | 23102ba1 |
15 | 15816ca0 |
hex | df1f709 |
233961225 has 24 divisors (see below), whose sum is σ = 409572000. Its totient is φ = 117438720.
The previous prime is 233961223. The next prime is 233961227. The reversal of 233961225 is 522169332.
It is an interprime number because it is at equal distance from previous prime (233961223) and next prime (233961227).
It is not a de Polignac number, because 233961225 - 21 = 233961223 is a prime.
It is not an unprimeable number, because it can be changed into a prime (233961223) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 90475 + ... + 93024.
It is an arithmetic number, because the mean of its divisors is an integer number (17065500).
Almost surely, 2233961225 is an apocalyptic number.
233961225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
233961225 is a deficient number, since it is larger than the sum of its proper divisors (175610775).
233961225 is a wasteful number, since it uses less digits than its factorization.
233961225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183529 (or 183524 counting only the distinct ones).
The product of its digits is 19440, while the sum is 33.
The square root of 233961225 is about 15295.7910877470. The cubic root of 233961225 is about 616.1899757349.
The spelling of 233961225 in words is "two hundred thirty-three million, nine hundred sixty-one thousand, two hundred twenty-five".
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