Base | Representation |
---|---|
bin | 1010101101110… |
… | …00010100000101 |
3 | 20021010120112200 |
4 | 11112320110011 |
5 | 141002241114 |
6 | 12530305113 |
7 | 2141000133 |
oct | 526702405 |
9 | 207116480 |
10 | 89883909 |
11 | 46812125 |
12 | 26128199 |
13 | 1581115b |
14 | bd1a753 |
15 | 7d57409 |
hex | 55b8505 |
89883909 has 24 divisors (see below), whose sum is σ = 132437760. Its totient is φ = 58732128.
The previous prime is 89883887. The next prime is 89883923. The reversal of 89883909 is 90938898.
It is not a de Polignac number, because 89883909 - 213 = 89875717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89883949) 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, 118359 + ... + 119115.
It is an arithmetic number, because the mean of its divisors is an integer number (5518240).
Almost surely, 289883909 is an apocalyptic number.
It is an amenable number.
89883909 is a deficient number, since it is larger than the sum of its proper divisors (42553851).
89883909 is a wasteful number, since it uses less digits than its factorization.
89883909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009 (or 1006 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 54.
The square root of 89883909 is about 9480.7124732269. The cubic root of 89883909 is about 447.9477062819.
The spelling of 89883909 in words is "eighty-nine million, eight hundred eighty-three thousand, nine hundred nine".
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