Base | Representation |
---|---|
bin | 11000001101101… |
… | …10111001101010 |
3 | 112011012210012100 |
4 | 30012312321222 |
5 | 403444434310 |
6 | 32053354230 |
7 | 5014346133 |
oct | 1406667152 |
9 | 464183170 |
10 | 203124330 |
11 | a4727352 |
12 | 58038976 |
13 | 3310c416 |
14 | 1cd96c8a |
15 | 12c74ec0 |
hex | c1b6e6a |
203124330 has 48 divisors (see below), whose sum is σ = 559193544. Its totient is φ = 50979840.
The previous prime is 203124289. The next prime is 203124331. The reversal of 203124330 is 33421302.
203124330 is a `hidden beast` number, since 20 + 312 + 4 + 330 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 186404409 + 16719921 = 13653^2 + 4089^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (203124331) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64851 + ... + 67910.
Almost surely, 2203124330 is an apocalyptic number.
203124330 is an abundant number, since it is smaller than the sum of its proper divisors (356069214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203124330 is a wasteful number, since it uses less digits than its factorization.
203124330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132791 (or 132788 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 203124330 is about 14252.1693085649. The cubic root of 203124330 is about 587.8330256139.
Adding to 203124330 its reverse (33421302), we get a palindrome (236545632).
It can be divided in two parts, 20312 and 4330, that added together give a palindrome (24642).
The spelling of 203124330 in words is "two hundred three million, one hundred twenty-four thousand, three hundred thirty".
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