Base | Representation |
---|---|
bin | 11000100111111… |
… | …01101100011110 |
3 | 112101200100002111 |
4 | 30103331230132 |
5 | 410334410110 |
6 | 32255144234 |
7 | 5055505555 |
oct | 1423755436 |
9 | 471610074 |
10 | 206560030 |
11 | a6663676 |
12 | 5921507a |
13 | 33a43191 |
14 | 1d60cd9c |
15 | 13202e8a |
hex | c4fdb1e |
206560030 has 32 divisors (see below), whose sum is σ = 400152960. Its totient is φ = 76485120.
The previous prime is 206560021. The next prime is 206560031. The reversal of 206560030 is 30065602.
It is a junction number, because it is equal to n+sod(n) for n = 206559983 and 206560010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206560031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411 + ... + 20329.
It is an arithmetic number, because the mean of its divisors is an integer number (12504780).
Almost surely, 2206560030 is an apocalyptic number.
206560030 is a deficient number, since it is larger than the sum of its proper divisors (193592930).
206560030 is a wasteful number, since it uses less digits than its factorization.
206560030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20004.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 206560030 is about 14372.1964222592. The cubic root of 206560030 is about 591.1287689081.
The spelling of 206560030 in words is "two hundred six million, five hundred sixty thousand, thirty".
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