Search a number
-
+
204144443 = 3114311523
BaseRepresentation
bin11000010101011…
…11111100111011
3112020010121112022
430022233330323
5404230110233
632131305055
75026125206
oct1412577473
9466117468
10204144443
11a5263818
125844b18b
13333a8839
141d18093d
1512dc7398
hexc2aff3b

204144443 has 8 divisors (see below), whose sum is σ = 205410816. Its totient is φ = 202882600.

The previous prime is 204144433. The next prime is 204144463. The reversal of 204144443 is 344441402.

It is a happy number.

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 204144443 - 216 = 204078907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204144433) 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, 133280 + ... + 134802.

It is an arithmetic number, because the mean of its divisors is an integer number (25676352).

Almost surely, 2204144443 is an apocalyptic number.

204144443 is a deficient number, since it is larger than the sum of its proper divisors (1266373).

204144443 is a wasteful number, since it uses less digits than its factorization.

204144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 204144443 is about 14287.9124787353. The cubic root of 204144443 is about 588.8154371516.

Adding to 204144443 its reverse (344441402), we get a palindrome (548585845).

The spelling of 204144443 in words is "two hundred four million, one hundred forty-four thousand, four hundred forty-three".

Divisors: 1 311 431 1523 134041 473653 656413 204144443