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205484933 = 1712087349
BaseRepresentation
bin11000011111101…
…11001110000101
3112022122201100002
430033313032011
5410101004213
632220131045
75043410303
oct1417671605
9468581302
10205484933
11a5a99965
1258996a85
1333757a24
141d40d273
151308e658
hexc3f7385

205484933 has 4 divisors (see below), whose sum is σ = 217572300. Its totient is φ = 193397568.

The previous prime is 205484821. The next prime is 205484941. The reversal of 205484933 is 339484502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123165604 + 82319329 = 11098^2 + 9073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-205484933 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 (205484953) 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, 6043658 + ... + 6043691.

It is an arithmetic number, because the mean of its divisors is an integer number (54393075).

Almost surely, 2205484933 is an apocalyptic number.

It is an amenable number.

205484933 is a deficient number, since it is larger than the sum of its proper divisors (12087367).

205484933 is a wasteful number, since it uses less digits than its factorization.

205484933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12087366.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 205484933 is about 14334.7456552253. The cubic root of 205484933 is about 590.1014218061.

The spelling of 205484933 in words is "two hundred five million, four hundred eighty-four thousand, nine hundred thirty-three".

Divisors: 1 17 12087349 205484933