Base | Representation |
---|---|
bin | 11000011100010… |
… | …00011001110000 |
3 | 112021210122200122 |
4 | 30032020121300 |
5 | 404441443044 |
6 | 32202305412 |
7 | 5036510042 |
oct | 1416103160 |
9 | 467718618 |
10 | 205031024 |
11 | a5809930 |
12 | 587b8268 |
13 | 33629243 |
14 | 1d331a92 |
15 | 12eeedee |
hex | c388670 |
205031024 has 40 divisors (see below), whose sum is σ = 447352320. Its totient is φ = 90187200.
The previous prime is 205031011. The next prime is 205031053. The reversal of 205031024 is 420130502.
It is a junction number, because it is equal to n+sod(n) for n = 205030993 and 205031011.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 13334 + ... + 24245.
It is an arithmetic number, because the mean of its divisors is an integer number (11183808).
Almost surely, 2205031024 is an apocalyptic number.
It is an amenable number.
205031024 is an abundant number, since it is smaller than the sum of its proper divisors (242321296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205031024 is a wasteful number, since it uses less digits than its factorization.
205031024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37629 (or 37623 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 205031024 is about 14318.9044273645. The cubic root of 205031024 is about 589.6665970394. Note that the first 3 decimals are identical.
Adding to 205031024 its reverse (420130502), we get a palindrome (625161526).
The spelling of 205031024 in words is "two hundred five million, thirty-one thousand, twenty-four".
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