Search a number
-
+
204343144 = 2333897537
BaseRepresentation
bin11000010111000…
…00011101101000
3112020111201002121
430023200131220
5404302440034
632135441024
75030613415
oct1413403550
9466451077
10204343144
11a538a035
1258526174
1333448105
141d1d310c
1512e161b4
hexc2e0768

204343144 has 16 divisors (see below), whose sum is σ = 383307300. Its totient is φ = 102127872.

The previous prime is 204343141. The next prime is 204343147. The reversal of 204343144 is 441343402.

It is an interprime number because it is at equal distance from previous prime (204343141) and next prime (204343147).

It can be written as a sum of positive squares in 2 ways, for example, as 189612900 + 14730244 = 13770^2 + 3838^2 .

It is a super-2 number, since 2×2043431442 = 83512240999609472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204343141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23344 + ... + 30880.

Almost surely, 2204343144 is an apocalyptic number.

It is an amenable number.

204343144 is a deficient number, since it is larger than the sum of its proper divisors (178964156).

204343144 is a wasteful number, since it uses less digits than its factorization.

204343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932 (or 10928 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 204343144 is about 14294.8642525909. The cubic root of 204343144 is about 589.0064134941.

Adding to 204343144 its reverse (441343402), we get a palindrome (645686546).

The spelling of 204343144 in words is "two hundred four million, three hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 3389 6778 7537 13556 15074 27112 30148 60296 25542893 51085786 102171572 204343144