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206827713 = 3222980857
BaseRepresentation
bin11000101001111…
…11000011000001
3112102011221021200
430110333003001
5410421441323
632305011413
75061002151
oct1424770301
9472157250
10206827713
11a68267a4
1259323b69
1333b07c81
141d67c761
1513257443
hexc53f0c1

206827713 has 6 divisors (see below), whose sum is σ = 298751154. Its totient is φ = 137885136.

The previous prime is 206827679. The next prime is 206827717. The reversal of 206827713 is 317728602.

It can be written as a sum of positive squares in only one way, i.e., 131606784 + 75220929 = 11472^2 + 8673^2 .

It is not a de Polignac number, because 206827713 - 225 = 173273281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206827717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11490420 + ... + 11490437.

It is an arithmetic number, because the mean of its divisors is an integer number (49791859).

Almost surely, 2206827713 is an apocalyptic number.

It is an amenable number.

206827713 is a deficient number, since it is larger than the sum of its proper divisors (91923441).

206827713 is a wasteful number, since it uses less digits than its factorization.

206827713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22980863 (or 22980860 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 206827713 is about 14381.5059364449. The cubic root of 206827713 is about 591.3840083796.

The spelling of 206827713 in words is "two hundred six million, eight hundred twenty-seven thousand, seven hundred thirteen".

Divisors: 1 3 9 22980857 68942571 206827713