Search a number
-
+
204126241 = 1118556931
BaseRepresentation
bin11000010101010…
…11100000100001
3112020002200120011
430022223200201
5404224014431
632131044521
75026021144
oct1412534041
9466080504
10204126241
11a5251080
1258440741
13333a0477
141d17805b
1512dc1cb1
hexc2ab821

204126241 has 4 divisors (see below), whose sum is σ = 222683184. Its totient is φ = 185569300.

The previous prime is 204126239. The next prime is 204126281. The reversal of 204126241 is 142621402.

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 a cyclic number.

It is not a de Polignac number, because 204126241 - 21 = 204126239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204126281) 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 3 ways as a sum of consecutive naturals, for example, 9278455 + ... + 9278476.

It is an arithmetic number, because the mean of its divisors is an integer number (55670796).

Almost surely, 2204126241 is an apocalyptic number.

It is an amenable number.

204126241 is a deficient number, since it is larger than the sum of its proper divisors (18556943).

204126241 is a wasteful number, since it uses less digits than its factorization.

204126241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556942.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 204126241 is about 14287.2754925493. The cubic root of 204126241 is about 588.7979365737.

Adding to 204126241 its reverse (142621402), we get a palindrome (346747643).

It can be divided in two parts, 2041 and 26241, that added together give a palindrome (28282).

The spelling of 204126241 in words is "two hundred four million, one hundred twenty-six thousand, two hundred forty-one".

Divisors: 1 11 18556931 204126241