Base | Representation |
---|---|
bin | 11000100111011… |
… | …00100000110100 |
3 | 112101112202112220 |
4 | 30103230200310 |
5 | 410330132102 |
6 | 32253442340 |
7 | 5055063435 |
oct | 1423544064 |
9 | 471482486 |
10 | 206489652 |
11 | a6615806 |
12 | 591a03b0 |
13 | 33a1a135 |
14 | 1d5d148c |
15 | 131dc1bc |
hex | c4ec834 |
206489652 has 24 divisors (see below), whose sum is σ = 486582432. Its totient is φ = 68148000.
The previous prime is 206489651. The next prime is 206489669. The reversal of 206489652 is 256984602.
It is a super-2 number, since 2×2064896522 = 85275952766162208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206489651) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83974 + ... + 86397.
It is an arithmetic number, because the mean of its divisors is an integer number (20274268).
Almost surely, 2206489652 is an apocalyptic number.
It is an amenable number.
206489652 is an abundant number, since it is smaller than the sum of its proper divisors (280092780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206489652 is a wasteful number, since it uses less digits than its factorization.
206489652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170479 (or 170477 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 206489652 is about 14369.7478057202. The cubic root of 206489652 is about 591.0616258985.
The spelling of 206489652 in words is "two hundred six million, four hundred eighty-nine thousand, six hundred fifty-two".
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