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205468838 = 2102734419
BaseRepresentation
bin11000011111100…
…11010010100110
3112022121220020222
430033303102212
5410100000323
632215524342
75043312341
oct1417632246
9468556228
10205468838
11a5a88863
12589896b2
13337505c3
141d407458
15130899c8
hexc3f34a6

205468838 has 4 divisors (see below), whose sum is σ = 308203260. Its totient is φ = 102734418.

The previous prime is 205468789. The next prime is 205468849. The reversal of 205468838 is 838864502.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51367208 + ... + 51367211.

It is an arithmetic number, because the mean of its divisors is an integer number (77050815).

Almost surely, 2205468838 is an apocalyptic number.

205468838 is a deficient number, since it is larger than the sum of its proper divisors (102734422).

205468838 is a wasteful number, since it uses less digits than its factorization.

205468838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102734421.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 205468838 is about 14334.1842460602. The cubic root of 205468838 is about 590.0860144633.

The spelling of 205468838 in words is "two hundred five million, four hundred sixty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 102734419 205468838