Base | Representation |
---|---|
bin | 11000101010111… |
… | …11100001011000 |
3 | 112102102200202011 |
4 | 30111133201120 |
5 | 410440220403 |
6 | 32311515304 |
7 | 5062065022 |
oct | 1425374130 |
9 | 472380664 |
10 | 206960728 |
11 | a6907727 |
12 | 59388b34 |
13 | 33b53690 |
14 | 1d6b5012 |
15 | 13281a6d |
hex | c55f858 |
206960728 has 16 divisors (see below), whose sum is σ = 417901680. Its totient is φ = 95520288.
The previous prime is 206960687. The next prime is 206960753. The reversal of 206960728 is 827069602.
206960728 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994900 + ... + 995107.
It is an arithmetic number, because the mean of its divisors is an integer number (26118855).
Almost surely, 2206960728 is an apocalyptic number.
It is an amenable number.
206960728 is an abundant number, since it is smaller than the sum of its proper divisors (210940952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206960728 is a wasteful number, since it uses less digits than its factorization.
206960728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1990026 (or 1990022 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 206960728 is about 14386.1297088550. The cubic root of 206960728 is about 591.5107581359.
The spelling of 206960728 in words is "two hundred six million, nine hundred sixty thousand, seven hundred twenty-eight".
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