Search a number
-
+
204131041 = 1910743739
BaseRepresentation
bin11000010101011…
…00101011100001
3112020002221010221
430022230223201
5404224143131
632131123041
75026041142
oct1412545341
9466087127
10204131041
11a5254744
1258443481
13333a26ca
141d179ac9
1512dc3411
hexc2acae1

204131041 has 4 divisors (see below), whose sum is σ = 214874800. Its totient is φ = 193387284.

The previous prime is 204131017. The next prime is 204131047. The reversal of 204131041 is 140131402.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140131402 = 270065701.

It is a cyclic number.

It is not a de Polignac number, because 204131041 - 25 = 204131009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204131047) 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 3 ways as a sum of consecutive naturals, for example, 5371851 + ... + 5371888.

It is an arithmetic number, because the mean of its divisors is an integer number (53718700).

Almost surely, 2204131041 is an apocalyptic number.

It is an amenable number.

204131041 is a deficient number, since it is larger than the sum of its proper divisors (10743759).

204131041 is a wasteful number, since it uses less digits than its factorization.

204131041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743758.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 204131041 is about 14287.4434732040. The cubic root of 204131041 is about 588.8025517046.

Adding to 204131041 its reverse (140131402), we get a palindrome (344262443).

The spelling of 204131041 in words is "two hundred four million, one hundred thirty-one thousand, forty-one".

Divisors: 1 19 10743739 204131041