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204235201 = 1517511801
BaseRepresentation
bin11000010110001…
…10000111000001
3112020022020000201
430023012013001
5404241011301
632133245201
75026653622
oct1413060701
9466266021
10204235201
11a5315a25
1258493801
133340ac41
141d1a5a49
1512de4201
hexc2c61c1

204235201 has 8 divisors (see below), whose sum is σ = 205975808. Its totient is φ = 202500000.

The previous prime is 204235189. The next prime is 204235243. The reversal of 204235201 is 102532402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(204235201) divides (204235201-1)4.

It is a cyclic number.

It is not a de Polignac number, because 204235201 - 25 = 204235169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204235001) 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 7 ways as a sum of consecutive naturals, for example, 112501 + ... + 114301.

It is an arithmetic number, because the mean of its divisors is an integer number (25746976).

Almost surely, 2204235201 is an apocalyptic number.

It is an amenable number.

204235201 is a deficient number, since it is larger than the sum of its proper divisors (1740607).

204235201 is a wasteful number, since it uses less digits than its factorization.

204235201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 204235201 is about 14291.0881671061. The cubic root of 204235201 is about 588.9026822304.

Adding to 204235201 its reverse (102532402), we get a palindrome (306767603).

The spelling of 204235201 in words is "two hundred four million, two hundred thirty-five thousand, two hundred one".

Divisors: 1 151 751 1801 113401 271951 1352551 204235201