Base | Representation |
---|---|
bin | 11000001110010… |
… | …01011010000011 |
3 | 112011100122011210 |
4 | 30013021122003 |
5 | 404004401011 |
6 | 32055141203 |
7 | 5015113131 |
oct | 1407113203 |
9 | 464318153 |
10 | 203200131 |
11 | a47792a2 |
12 | 58074803 |
13 | 33137a84 |
14 | 1cdb6751 |
15 | 12c8c6a6 |
hex | c1c9683 |
203200131 has 8 divisors (see below), whose sum is σ = 271129600. Its totient is φ = 135368712.
The previous prime is 203200097. The next prime is 203200139. The reversal of 203200131 is 131002302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 203200131 - 217 = 203069059 is a prime.
It is a super-2 number, since 2×2032001312 = 82580586476834322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203200139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19531 + ... + 28068.
It is an arithmetic number, because the mean of its divisors is an integer number (33891200).
Almost surely, 2203200131 is an apocalyptic number.
203200131 is a deficient number, since it is larger than the sum of its proper divisors (67929469).
203200131 is a wasteful number, since it uses less digits than its factorization.
203200131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49025.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 203200131 is about 14254.8283398994. The cubic root of 203200131 is about 587.9061381252.
Adding to 203200131 its reverse (131002302), we get a palindrome (334202433).
The spelling of 203200131 in words is "two hundred three million, two hundred thousand, one hundred thirty-one".
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