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49000109 is a prime number
BaseRepresentation
bin1011101011101…
…0111010101101
310102012110111212
42322322322231
5100021000414
64510124205
71133331314
oct272727255
9112173455
1049000109
1125728564
12144b0665
13a1c8262
14671727b
15447d83e
hex2ebaead

49000109 has 2 divisors, whose sum is σ = 49000110. Its totient is φ = 49000108.

The previous prime is 49000093. The next prime is 49000121. The reversal of 49000109 is 90100094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 1044484 = 6925^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 49000109 - 24 = 49000093 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49000199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500054 + 24500055.

It is an arithmetic number, because the mean of its divisors is an integer number (24500055).

Almost surely, 249000109 is an apocalyptic number.

It is an amenable number.

49000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49000109 is an equidigital number, since it uses as much as digits as its factorization.

49000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 49000109 is about 7000.0077857100. The cubic root of 49000109 is about 365.9308423384.

The spelling of 49000109 in words is "forty-nine million, one hundred nine", and thus it is an aban number.