Base | Representation |
---|---|
bin | 11000100011110… |
… | …00101001100000 |
3 | 112100122122112212 |
4 | 30101320221200 |
5 | 410214440242 |
6 | 32235341252 |
7 | 5051046014 |
oct | 1421705140 |
9 | 470578485 |
10 | 206015072 |
11 | a632119a |
12 | 58bb1828 |
13 | 338b2113 |
14 | 1d50a544 |
15 | 13146782 |
hex | c478a60 |
206015072 has 24 divisors (see below), whose sum is σ = 419580000. Its totient is φ = 99455104.
The previous prime is 206015059. The next prime is 206015077. The reversal of 206015072 is 270510602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206015077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110072 + ... + 111927.
It is an arithmetic number, because the mean of its divisors is an integer number (17482500).
Almost surely, 2206015072 is an apocalyptic number.
It is an amenable number.
206015072 is an abundant number, since it is smaller than the sum of its proper divisors (213564928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206015072 is a wasteful number, since it uses less digits than its factorization.
206015072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222038 (or 222030 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 206015072 is about 14353.2251428033. The cubic root of 206015072 is about 590.6084616255.
Adding to 206015072 its reverse (270510602), we get a palindrome (476525674).
The spelling of 206015072 in words is "two hundred six million, fifteen thousand, seventy-two".
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