Base | Representation |
---|---|
bin | 11000011100000… |
… | …00110101011000 |
3 | 112021202002011111 |
4 | 30032000311120 |
5 | 404440000044 |
6 | 32201510104 |
7 | 5036320465 |
oct | 1416006530 |
9 | 467662144 |
10 | 205000024 |
11 | a5798609 |
12 | 587a2334 |
13 | 336180b8 |
14 | 1d32466c |
15 | 12ee5b34 |
hex | c380d58 |
205000024 has 16 divisors (see below), whose sum is σ = 396774720. Its totient is φ = 99193440.
The previous prime is 205000021. The next prime is 205000067. The reversal of 205000024 is 420000502.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 204999968 and 205000013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205000021) 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, 413059 + ... + 413554.
It is an arithmetic number, because the mean of its divisors is an integer number (24798420).
Almost surely, 2205000024 is an apocalyptic number.
It is an amenable number.
205000024 is a deficient number, since it is larger than the sum of its proper divisors (191774696).
205000024 is a wasteful number, since it uses less digits than its factorization.
205000024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 826650 (or 826646 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 13.
The square root of 205000024 is about 14317.8219013927. The cubic root of 205000024 is about 589.6368770073.
Adding to 205000024 its reverse (420000502), we get a palindrome (625000526).
The spelling of 205000024 in words is "two hundred five million, twenty-four", and thus it is an aban number.
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