Base | Representation |
---|---|
bin | 10001001110111… |
… | …000011101010000 |
3 | 202011000111202120 |
4 | 101032320131100 |
5 | 1043003121221 |
6 | 44404414240 |
7 | 10110266526 |
oct | 2116703520 |
9 | 664014676 |
10 | 289113936 |
11 | 139219641 |
12 | 809a7380 |
13 | 47b88b47 |
14 | 2a57c316 |
15 | 1a5ad5c6 |
hex | 113b8750 |
289113936 has 80 divisors (see below), whose sum is σ = 774617088. Its totient is φ = 92822400.
The previous prime is 289113901. The next prime is 289113943. The reversal of 289113936 is 639311982.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
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, 492235 + ... + 492821.
Almost surely, 2289113936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 289113936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387308544).
289113936 is an abundant number, since it is smaller than the sum of its proper divisors (485503152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289113936 is a wasteful number, since it uses less digits than its factorization.
289113936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 960 (or 954 counting only the distinct ones).
The product of its digits is 69984, while the sum is 42.
The square root of 289113936 is about 17003.3507286064. The cubic root of 289113936 is about 661.2357746995.
The spelling of 289113936 in words is "two hundred eighty-nine million, one hundred thirteen thousand, nine hundred thirty-six".
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