Base | Representation |
---|---|
bin | 11010000111101… |
… | …110010000011001 |
3 | 1010112121111102010 |
4 | 122013232100121 |
5 | 1344141411324 |
6 | 111252500133 |
7 | 13600624401 |
oct | 3207562031 |
9 | 1115544363 |
10 | 438232089 |
11 | 205409289 |
12 | 10291a649 |
13 | 6ca39539 |
14 | 422b7801 |
15 | 28716829 |
hex | 1a1ee419 |
438232089 has 32 divisors (see below), whose sum is σ = 622411776. Its totient is φ = 273836160.
The previous prime is 438232063. The next prime is 438232099. The reversal of 438232089 is 980232834.
It is not a de Polignac number, because 438232089 - 27 = 438231961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (438232099) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467229 + ... + 468165.
It is an arithmetic number, because the mean of its divisors is an integer number (19450368).
Almost surely, 2438232089 is an apocalyptic number.
It is an amenable number.
438232089 is a deficient number, since it is larger than the sum of its proper divisors (184179687).
438232089 is a wasteful number, since it uses less digits than its factorization.
438232089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1125.
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 438232089 is about 20933.9936228136. The cubic root of 438232089 is about 759.5704457415.
The spelling of 438232089 in words is "four hundred thirty-eight million, two hundred thirty-two thousand, eighty-nine".
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