Base | Representation |
---|---|
bin | 1010101011000… |
… | …10000011111111 |
3 | 20020110121221000 |
4 | 11111202003333 |
5 | 140404434443 |
6 | 12514541343 |
7 | 2134666140 |
oct | 525420377 |
9 | 206417830 |
10 | 89530623 |
11 | 465a0756 |
12 | 25b97853 |
13 | 15719400 |
14 | bc67ac7 |
15 | 7cd78d3 |
hex | 55620ff |
89530623 has 48 divisors (see below), whose sum is σ = 164202240. Its totient is φ = 47208096.
The previous prime is 89530583. The next prime is 89530633. The reversal of 89530623 is 32603598.
It is not a de Polignac number, because 89530623 - 28 = 89530367 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89530633) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30540 + ... + 33342.
It is an arithmetic number, because the mean of its divisors is an integer number (3420880).
Almost surely, 289530623 is an apocalyptic number.
89530623 is a deficient number, since it is larger than the sum of its proper divisors (74671617).
89530623 is a wasteful number, since it uses less digits than its factorization.
89530623 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2845 (or 2826 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The square root of 89530623 is about 9462.0623016338. The cubic root of 89530623 is about 447.3600540309.
Subtracting from 89530623 its reverse (32603598), we obtain a square (56927025 = 75452).
The spelling of 89530623 in words is "eighty-nine million, five hundred thirty thousand, six hundred twenty-three".
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