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203133201 = 34771103197
BaseRepresentation
bin11000001101110…
…01000100010001
3112011020020100220
430012321010101
5404000230301
632053503253
75014414035
oct1406710421
9464206326
10203133201
11a4732a87
1258041b29
133311347b
141cd9a1c5
1512c77936
hexc1b9111

203133201 has 32 divisors (see below), whose sum is σ = 284663808. Its totient is φ = 128748480.

The previous prime is 203133193. The next prime is 203133209. The reversal of 203133201 is 102331302.

It is an interprime number because it is at equal distance from previous prime (203133193) and next prime (203133209).

It is not a de Polignac number, because 203133201 - 23 = 203133193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203133209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031035 + ... + 1031231.

It is an arithmetic number, because the mean of its divisors is an integer number (8895744).

Almost surely, 2203133201 is an apocalyptic number.

It is an amenable number.

203133201 is a deficient number, since it is larger than the sum of its proper divisors (81530607).

203133201 is a wasteful number, since it uses less digits than its factorization.

203133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 203133201 is about 14252.4805209479. The cubic root of 203133201 is about 587.8415829194.

Adding to 203133201 its reverse (102331302), we get a palindrome (305464503).

The spelling of 203133201 in words is "two hundred three million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 47 71 103 141 197 213 309 591 3337 4841 7313 9259 10011 13987 14523 20291 21939 27777 41961 60873 343711 657389 953677 1031133 1440661 1972167 2861031 4321983 67711067 203133201