Base | Representation |
---|---|
bin | 11000011101000… |
… | …11010110100111 |
3 | 112022000021010012 |
4 | 30032203112213 |
5 | 410004011130 |
6 | 32204520435 |
7 | 5040446633 |
oct | 1416432647 |
9 | 468007105 |
10 | 205141415 |
11 | a5884866 |
12 | 5885011b |
13 | 3366756b |
14 | 1d35ddc3 |
15 | 13022995 |
hex | c3a35a7 |
205141415 has 16 divisors (see below), whose sum is σ = 256075776. Its totient is φ = 157591200.
The previous prime is 205141399. The next prime is 205141427. The reversal of 205141415 is 514141502.
It is not a de Polignac number, because 205141415 - 24 = 205141399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15254 + ... + 25356.
It is an arithmetic number, because the mean of its divisors is an integer number (16004736).
Almost surely, 2205141415 is an apocalyptic number.
205141415 is a deficient number, since it is larger than the sum of its proper divisors (50934361).
205141415 is a wasteful number, since it uses less digits than its factorization.
205141415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10270.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 205141415 is about 14322.7586379161. The cubic root of 205141415 is about 589.7724057525.
Adding to 205141415 its reverse (514141502), we get a palindrome (719282917).
The spelling of 205141415 in words is "two hundred five million, one hundred forty-one thousand, four hundred fifteen".
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