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204833893 = 1118621263
BaseRepresentation
bin11000011010110…
…00010001100101
3112021102122021111
430031120101211
5404414141033
632154145021
75035026235
oct1415302145
9467378244
10204833893
11a5694810
1258722171
133358a5b4
141d2bdcc5
1512eb17cd
hexc358465

204833893 has 4 divisors (see below), whose sum is σ = 223455168. Its totient is φ = 186212620.

The previous prime is 204833891. The next prime is 204833911. The reversal of 204833893 is 398338402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 204833893 - 21 = 204833891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204833891) 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, 9310621 + ... + 9310642.

It is an arithmetic number, because the mean of its divisors is an integer number (55863792).

Almost surely, 2204833893 is an apocalyptic number.

It is an amenable number.

204833893 is a deficient number, since it is larger than the sum of its proper divisors (18621275).

204833893 is a wasteful number, since it uses less digits than its factorization.

204833893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621274.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 204833893 is about 14312.0191796965. The cubic root of 204833893 is about 589.4775543638.

The spelling of 204833893 in words is "two hundred four million, eight hundred thirty-three thousand, eight hundred ninety-three".

Divisors: 1 11 18621263 204833893