Search a number
-
+
204434513 = 438953419
BaseRepresentation
bin11000010111101…
…10110001010001
3112020200100102122
430023312301101
5404313401023
632141424025
75031443663
oct1413666121
9466610378
10204434513
11a5441748
125856b015
133347a88a
141d218533
1512e332c8
hexc2f6c51

204434513 has 8 divisors (see below), whose sum is σ = 211543200. Its totient is φ = 197432928.

The previous prime is 204434497. The next prime is 204434519. The reversal of 204434513 is 315434402.

204434513 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 a cyclic number.

It is not a de Polignac number, because 204434513 - 24 = 204434497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204434519) 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, 22883 + ... + 30536.

It is an arithmetic number, because the mean of its divisors is an integer number (26442900).

Almost surely, 2204434513 is an apocalyptic number.

It is an amenable number.

204434513 is a deficient number, since it is larger than the sum of its proper divisors (7108687).

204434513 is an equidigital number, since it uses as much as digits as its factorization.

204434513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53551.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204434513 is about 14298.0597634784. The cubic root of 204434513 is about 589.0941889010.

Adding to 204434513 its reverse (315434402), we get a palindrome (519868915).

The spelling of 204434513 in words is "two hundred four million, four hundred thirty-four thousand, five hundred thirteen".

Divisors: 1 43 89 3827 53419 2297017 4754291 204434513