Search a number
-
+
204241121 = 7235712379
BaseRepresentation
bin11000010110001…
…11100011100001
3112020022112010222
430023013203201
5404241203441
632133332425
75030010110
oct1413074341
9466275128
10204241121
11a531a417
1258497115
1333410846
141d1a7c77
1512de5d4b
hexc2c78e1

204241121 has 8 divisors (see below), whose sum is σ = 233536320. Its totient is φ = 174975408.

The previous prime is 204241117. The next prime is 204241123. The reversal of 204241121 is 121142402.

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

It is a cyclic number.

It is not a de Polignac number, because 204241121 - 22 = 204241117 is a prime.

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 204241121.

It is not an unprimeable number, because it can be changed into a prime (204241123) 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, 10310 + ... + 22688.

It is an arithmetic number, because the mean of its divisors is an integer number (29192040).

Almost surely, 2204241121 is an apocalyptic number.

It is an amenable number.

204241121 is a deficient number, since it is larger than the sum of its proper divisors (29295199).

204241121 is a wasteful number, since it uses less digits than its factorization.

204241121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14743.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 204241121 is about 14291.2952876917. The cubic root of 204241121 is about 588.9083721901.

Adding to 204241121 its reverse (121142402), we get a palindrome (325383523).

The spelling of 204241121 in words is "two hundred four million, two hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 7 2357 12379 16499 86653 29177303 204241121