Base | Representation |
---|---|
bin | 1010101101111… |
… | …01000010111001 |
3 | 20021011120010110 |
4 | 11112331002321 |
5 | 141003401124 |
6 | 12530534533 |
7 | 2141110500 |
oct | 526750271 |
9 | 207146113 |
10 | 89903289 |
11 | 46825743 |
12 | 26137449 |
13 | 15819c18 |
14 | bd23837 |
15 | 7d5d029 |
hex | 55bd0b9 |
89903289 has 12 divisors (see below), whose sum is σ = 139442064. Its totient is φ = 51373224.
The previous prime is 89903273. The next prime is 89903291. The reversal of 89903289 is 98230998.
It is not a de Polignac number, because 89903289 - 24 = 89903273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (89908289) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305647 + ... + 305940.
It is an arithmetic number, because the mean of its divisors is an integer number (11620172).
Almost surely, 289903289 is an apocalyptic number.
It is an amenable number.
89903289 is a deficient number, since it is larger than the sum of its proper divisors (49538775).
89903289 is a wasteful number, since it uses less digits than its factorization.
89903289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 611604 (or 611597 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 48.
The square root of 89903289 is about 9481.7344932243. The cubic root of 89903289 is about 447.9798981866.
The spelling of 89903289 in words is "eighty-nine million, nine hundred three thousand, two hundred eighty-nine".
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