Base | Representation |
---|---|
bin | 1010100111111… |
… | …10110110111111 |
3 | 20012200222112112 |
4 | 11103332312333 |
5 | 140303434122 |
6 | 12502124235 |
7 | 2131354400 |
oct | 523766677 |
9 | 205628475 |
10 | 89124287 |
11 | 4634343a |
12 | 25a2067b |
13 | 15606485 |
14 | bb9d9a7 |
15 | 7c572e2 |
hex | 54fedbf |
89124287 has 24 divisors (see below), whose sum is σ = 111716352. Its totient is φ = 70686000.
The previous prime is 89124257. The next prime is 89124289. The reversal of 89124287 is 78242198.
It is not a de Polignac number, because 89124287 - 218 = 88862143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89124289) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33662 + ... + 36212.
It is an arithmetic number, because the mean of its divisors is an integer number (4654848).
Almost surely, 289124287 is an apocalyptic number.
89124287 is a deficient number, since it is larger than the sum of its proper divisors (22592065).
89124287 is a wasteful number, since it uses less digits than its factorization.
89124287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2619 (or 2612 counting only the distinct ones).
The product of its digits is 64512, while the sum is 41.
The square root of 89124287 is about 9440.5660317589. The cubic root of 89124287 is about 446.6822442650.
The spelling of 89124287 in words is "eighty-nine million, one hundred twenty-four thousand, two hundred eighty-seven".
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