Base | Representation |
---|---|
bin | 11000011101010… |
… | …00000011000001 |
3 | 112022001020111021 |
4 | 30032220003001 |
5 | 410010120031 |
6 | 32205145441 |
7 | 5040556660 |
oct | 1416500301 |
9 | 468036437 |
10 | 205160641 |
11 | a5898254 |
12 | 5885b281 |
13 | 3367323a |
14 | 1d366dd7 |
15 | 13028511 |
hex | c3a80c1 |
205160641 has 16 divisors (see below), whose sum is σ = 252478080. Its totient is φ = 162696960.
The previous prime is 205160639. The next prime is 205160647. The reversal of 205160641 is 146061502.
It is a cyclic number.
It is not a de Polignac number, because 205160641 - 21 = 205160639 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (205160647) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7590 + ... + 21631.
It is an arithmetic number, because the mean of its divisors is an integer number (15779880).
Almost surely, 2205160641 is an apocalyptic number.
It is an amenable number.
205160641 is a deficient number, since it is larger than the sum of its proper divisors (47317439).
205160641 is a wasteful number, since it uses less digits than its factorization.
205160641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29304.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 205160641 is about 14323.4297917782. The cubic root of 205160641 is about 589.7908298073.
The spelling of 205160641 in words is "two hundred five million, one hundred sixty thousand, six hundred forty-one".
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