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203201201 = 754753069
BaseRepresentation
bin11000001110010…
…01101010110001
3112011100200122102
430013021222301
5404004414301
632055150145
75015116220
oct1407115261
9464320572
10203201201
11a477a085
1258075355
13331383c8
141cdb6cb7
1512c8cb6b
hexc1c9ab1

203201201 has 8 divisors (see below), whose sum is σ = 232658880. Its totient is φ = 173850768.

The previous prime is 203201197. The next prime is 203201209. The reversal of 203201201 is 102102302.

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 203201201 - 22 = 203201197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203201209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22706 + ... + 30363.

It is an arithmetic number, because the mean of its divisors is an integer number (29082360).

Almost surely, 2203201201 is an apocalyptic number.

It is an amenable number.

203201201 is a deficient number, since it is larger than the sum of its proper divisors (29457679).

203201201 is an equidigital number, since it uses as much as digits as its factorization.

203201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53623.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 203201201 is about 14254.8658709930. The cubic root of 203201201 is about 587.9071700446.

Adding to 203201201 its reverse (102102302), we get a palindrome (305303503).

The spelling of 203201201 in words is "two hundred three million, two hundred one thousand, two hundred one".

Divisors: 1 7 547 3829 53069 371483 29028743 203201201