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205849238 = 2731474307
BaseRepresentation
bin11000100010100…
…00001010010110
3112100100020001212
430101100022112
5410144133423
632232021422
75046455360
oct1421201226
9470306055
10205849238
11a6218641
1258b31872
13338547aa
141d4a5d30
1513112578
hexc450296

205849238 has 16 divisors (see below), whose sum is σ = 364268544. Its totient is φ = 85375080.

The previous prime is 205849219. The next prime is 205849261. The reversal of 205849238 is 832948502.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205849195 and 205849204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236720 + ... + 237587.

It is an arithmetic number, because the mean of its divisors is an integer number (22766784).

Almost surely, 2205849238 is an apocalyptic number.

205849238 is a deficient number, since it is larger than the sum of its proper divisors (158419306).

205849238 is a wasteful number, since it uses less digits than its factorization.

205849238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474347.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 205849238 is about 14347.4470899878. The cubic root of 205849238 is about 590.4499469199.

The spelling of 205849238 in words is "two hundred five million, eight hundred forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 31 62 217 434 474307 948614 3320149 6640298 14703517 29407034 102924619 205849238