Search a number
-
+
204142430 = 2520414243
BaseRepresentation
bin11000010101011…
…11011101011110
3112020010111202202
430022233131132
5404230024210
632131251502
75026116302
oct1412573536
9466114682
10204142430
11a5262258
1258449b92
13333a794b
141d17dd02
1512dc69a5
hexc2af75e

204142430 has 8 divisors (see below), whose sum is σ = 367456392. Its totient is φ = 81656968.

The previous prime is 204142429. The next prime is 204142459. The reversal of 204142430 is 34241402.

204142430 is digitally balanced in base 3, 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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10207112 + ... + 10207131.

It is an arithmetic number, because the mean of its divisors is an integer number (45932049).

Almost surely, 2204142430 is an apocalyptic number.

204142430 is a deficient number, since it is larger than the sum of its proper divisors (163313962).

204142430 is a wasteful number, since it uses less digits than its factorization.

204142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414250.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204142430 is about 14287.8420344011. The cubic root of 204142430 is about 588.8135017746.

Adding to 204142430 its reverse (34241402), we get a palindrome (238383832).

The spelling of 204142430 in words is "two hundred four million, one hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 20414243 40828486 102071215 204142430