Base | Representation |
---|---|
bin | 11000011101000… |
… | …11100101011000 |
3 | 112022000022102012 |
4 | 30032203211120 |
5 | 410004023420 |
6 | 32204525052 |
7 | 5040452453 |
oct | 1416434530 |
9 | 468008365 |
10 | 205142360 |
11 | a5885545 |
12 | 58850788 |
13 | 33667b17 |
14 | 1d36049a |
15 | 13022dc5 |
hex | c3a3958 |
205142360 has 32 divisors (see below), whose sum is σ = 465814800. Its totient is φ = 81302400.
The previous prime is 205142321. The next prime is 205142363. The reversal of 205142360 is 63241502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205142363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19166 + ... + 27885.
Almost surely, 2205142360 is an apocalyptic number.
205142360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
205142360 is an abundant number, since it is smaller than the sum of its proper divisors (260672440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205142360 is a wasteful number, since it uses less digits than its factorization.
205142360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47171 (or 47167 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 205142360 is about 14322.7916273330. The cubic root of 205142360 is about 589.7733113620.
Adding to 205142360 its reverse (63241502), we get a palindrome (268383862).
It can be divided in two parts, 205142 and 360, that added together give a palindrome (205502).
The spelling of 205142360 in words is "two hundred five million, one hundred forty-two thousand, three hundred sixty".
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