Base | Representation |
---|---|
bin | 11000001101110… |
… | …00110001100001 |
3 | 112011020011201110 |
4 | 30012320301201 |
5 | 404000211001 |
6 | 32053453533 |
7 | 5014410402 |
oct | 1406706141 |
9 | 464204643 |
10 | 203132001 |
11 | a4732096 |
12 | 580412a9 |
13 | 33112a67 |
14 | 1cd999a9 |
15 | 12c773d6 |
hex | c1b8c61 |
203132001 has 4 divisors (see below), whose sum is σ = 270842672. Its totient is φ = 135421332.
The previous prime is 203131993. The next prime is 203132003. The reversal of 203132001 is 100231302.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 203132001 - 23 = 203131993 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (203132003) 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, 33855331 + ... + 33855336.
It is an arithmetic number, because the mean of its divisors is an integer number (67710668).
Almost surely, 2203132001 is an apocalyptic number.
It is an amenable number.
203132001 is a deficient number, since it is larger than the sum of its proper divisors (67710671).
203132001 is an equidigital number, since it uses as much as digits as its factorization.
203132001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67710670.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 203132001 is about 14252.4384229506. The cubic root of 203132001 is about 587.8404253681.
Adding to 203132001 its reverse (100231302), we get a palindrome (303363303).
The spelling of 203132001 in words is "two hundred three million, one hundred thirty-two thousand, one".
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