Search a number
-
+
204268389 = 3135237651
BaseRepresentation
bin11000010110011…
…10001101100101
3112020100220112220
430023032031211
5404243042024
632134102553
75030152443
oct1413161545
9466326486
10204268389
11a5338956
12584aaa59
1333420090
141d1b3b93
1512dede79
hexc2ce365

204268389 has 8 divisors (see below), whose sum is σ = 293308512. Its totient is φ = 125703600.

The previous prime is 204268367. The next prime is 204268397. The reversal of 204268389 is 983862402.

204268389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204268389 - 25 = 204268357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204268389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204268319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618787 + ... + 2618864.

It is an arithmetic number, because the mean of its divisors is an integer number (36663564).

Almost surely, 2204268389 is an apocalyptic number.

It is an amenable number.

204268389 is a deficient number, since it is larger than the sum of its proper divisors (89040123).

204268389 is a wasteful number, since it uses less digits than its factorization.

204268389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237667.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 204268389 is about 14292.2492631496. The cubic root of 204268389 is about 588.9345791864.

The spelling of 204268389 in words is "two hundred four million, two hundred sixty-eight thousand, three hundred eighty-nine".

Divisors: 1 3 13 39 5237651 15712953 68089463 204268389