Base | Representation |
---|---|
bin | 11000101010100… |
… | …01111011000000 |
3 | 112102022212100001 |
4 | 30111101323000 |
5 | 410431430044 |
6 | 32310405344 |
7 | 5061443434 |
oct | 1425217300 |
9 | 472285301 |
10 | 206905024 |
11 | a6879897 |
12 | 59360854 |
13 | 33b34211 |
14 | 1d69c9c4 |
15 | 132702d4 |
hex | c551ec0 |
206905024 has 56 divisors (see below), whose sum is σ = 435254400. Its totient is φ = 97413120.
The previous prime is 206905001. The next prime is 206905051. The reversal of 206905024 is 420509602.
206905024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 206904983 and 206905001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74737 + ... + 77455.
It is an arithmetic number, because the mean of its divisors is an integer number (7772400).
Almost surely, 2206905024 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 206905024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217627200).
206905024 is an abundant number, since it is smaller than the sum of its proper divisors (228349376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206905024 is a wasteful number, since it uses less digits than its factorization.
206905024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2801 (or 2791 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 206905024 is about 14384.1935470849. The cubic root of 206905024 is about 591.4576845050.
The spelling of 206905024 in words is "two hundred six million, nine hundred five thousand, twenty-four".
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