Base | Representation |
---|---|
bin | 11000001110100… |
… | …01101110011001 |
3 | 112011102100220122 |
4 | 30013101232121 |
5 | 404011443301 |
6 | 32100003025 |
7 | 5015314352 |
oct | 1407215631 |
9 | 464370818 |
10 | 203234201 |
11 | a47a1955 |
12 | 58090475 |
13 | 3314a431 |
14 | 1cdc4d29 |
15 | 12c9781b |
hex | c1d1b99 |
203234201 has 4 divisors (see below), whose sum is σ = 215189172. Its totient is φ = 191279232.
The previous prime is 203234177. The next prime is 203234209. The reversal of 203234201 is 102432302.
203234201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 169000000 + 34234201 = 13000^2 + 5851^2 .
It is a cyclic number.
It is not a de Polignac number, because 203234201 - 218 = 202972057 is a prime.
It is a super-2 number, since 2×2032342012 = 82608280912216802, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 11954953 = 203234201 / (2 + 0 + 3 + 2 + 3 + 4 + 2 + 0 + 1).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 203234201.
It is not an unprimeable number, because it can be changed into a prime (203234209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5977460 + ... + 5977493.
It is an arithmetic number, because the mean of its divisors is an integer number (53797293).
Almost surely, 2203234201 is an apocalyptic number.
It is an amenable number.
203234201 is a deficient number, since it is larger than the sum of its proper divisors (11954971).
203234201 is a wasteful number, since it uses less digits than its factorization.
203234201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11954970.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 203234201 is about 14256.0233234938. The cubic root of 203234201 is about 587.9389938172.
Adding to 203234201 its reverse (102432302), we get a palindrome (305666503).
The spelling of 203234201 in words is "two hundred three million, two hundred thirty-four thousand, two hundred one".
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