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206934901 is a prime number
BaseRepresentation
bin11000101010110…
…01001101110101
3112102101101022121
430111121031311
5410433404101
632311155541
75061626515
oct1425311565
9472341277
10206934901
11a689a288
1259375bb1
1333b449b4
141d6a9845
15132790a1
hexc559375

206934901 has 2 divisors, whose sum is σ = 206934902. Its totient is φ = 206934900.

The previous prime is 206934899. The next prime is 206934929. The reversal of 206934901 is 109439602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195272676 + 11662225 = 13974^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 206934901 - 21 = 206934899 is a prime.

Together with 206934899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206934971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103467450 + 103467451.

It is an arithmetic number, because the mean of its divisors is an integer number (103467451).

Almost surely, 2206934901 is an apocalyptic number.

It is an amenable number.

206934901 is a deficient number, since it is larger than the sum of its proper divisors (1).

206934901 is an equidigital number, since it uses as much as digits as its factorization.

206934901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 206934901 is about 14385.2320453999. The cubic root of 206934901 is about 591.4861518833.

The spelling of 206934901 in words is "two hundred six million, nine hundred thirty-four thousand, nine hundred one".