Base | Representation |
---|---|
bin | 11000011101000… |
… | …01101001100000 |
3 | 112021222220112120 |
4 | 30032201221200 |
5 | 410003300212 |
6 | 32204424240 |
7 | 5040420366 |
oct | 1416415140 |
9 | 467886476 |
10 | 205134432 |
11 | a587a598 |
12 | 58848080 |
13 | 33664329 |
14 | 1d35b636 |
15 | 1302088c |
hex | c3a1a60 |
205134432 has 24 divisors (see below), whose sum is σ = 538478136. Its totient is φ = 68378112.
The previous prime is 205134421. The next prime is 205134443. The reversal of 205134432 is 234431502.
It is an interprime number because it is at equal distance from previous prime (205134421) and next prime (205134443).
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
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 3 ways as a sum of consecutive naturals, for example, 1068313 + ... + 1068504.
It is an arithmetic number, because the mean of its divisors is an integer number (22436589).
Almost surely, 2205134432 is an apocalyptic number.
It is an amenable number.
205134432 is an abundant number, since it is smaller than the sum of its proper divisors (333343704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205134432 is a wasteful number, since it uses less digits than its factorization.
205134432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2136830 (or 2136822 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 205134432 is about 14322.5148629701. The cubic root of 205134432 is about 589.7657137388.
Adding to 205134432 its reverse (234431502), we get a palindrome (439565934).
The spelling of 205134432 in words is "two hundred five million, one hundred thirty-four thousand, four hundred thirty-two".
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