Base | Representation |
---|---|
bin | 11000011100001… |
… | …11000010000101 |
3 | 112021210100222211 |
4 | 30032013002011 |
5 | 404441303123 |
6 | 32202223421 |
7 | 5036454505 |
oct | 1416070205 |
9 | 467710884 |
10 | 205025413 |
11 | a580569a |
12 | 587b4b71 |
13 | 33626818 |
14 | 1d32da05 |
15 | 12eed40d |
hex | c387085 |
205025413 has 8 divisors (see below), whose sum is σ = 215228160. Its totient is φ = 195047040.
The previous prime is 205025377. The next prime is 205025437. The reversal of 205025413 is 314520502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 205025413 - 29 = 205024901 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205025813) 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 7 ways as a sum of consecutive naturals, for example, 54220 + ... + 57877.
It is an arithmetic number, because the mean of its divisors is an integer number (26903520).
Almost surely, 2205025413 is an apocalyptic number.
It is an amenable number.
205025413 is a deficient number, since it is larger than the sum of its proper divisors (10202747).
205025413 is a wasteful number, since it uses less digits than its factorization.
205025413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112187.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 205025413 is about 14318.7084962297. The cubic root of 205025413 is about 589.6612179356.
Adding to 205025413 its reverse (314520502), we get a palindrome (519545915).
The spelling of 205025413 in words is "two hundred five million, twenty-five thousand, four hundred thirteen".
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