Base | Representation |
---|---|
bin | 110100110010000… |
… | …010000101101101 |
3 | 2021201021122011001 |
4 | 310302002011231 |
5 | 3303143442424 |
6 | 223512000301 |
7 | 30641614000 |
oct | 6462020555 |
9 | 2251248131 |
10 | 885530989 |
11 | 41494a5a2 |
12 | 208690091 |
13 | 1115cb945 |
14 | 85871537 |
15 | 52b1e844 |
hex | 34c8216d |
885530989 has 16 divisors (see below), whose sum is σ = 1039680000. Its totient is φ = 753888912.
The previous prime is 885530977. The next prime is 885530999. The reversal of 885530989 is 989035588.
It is not a de Polignac number, because 885530989 - 215 = 885498221 is a prime.
It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (885530999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42444 + ... + 59770.
It is an arithmetic number, because the mean of its divisors is an integer number (64980000).
Almost surely, 2885530989 is an apocalyptic number.
It is an amenable number.
885530989 is a deficient number, since it is larger than the sum of its proper divisors (154149011).
885530989 is a wasteful number, since it uses less digits than its factorization.
885530989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17497 (or 17483 counting only the distinct ones).
The product of its (nonzero) digits is 3110400, while the sum is 55.
The square root of 885530989 is about 29757.8727230291. The cubic root of 885530989 is about 960.2874533433.
The spelling of 885530989 in words is "eight hundred eighty-five million, five hundred thirty thousand, nine hundred eighty-nine".
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