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49873049 is a prime number
BaseRepresentation
bin1011111001000…
…0000010011001
310110211210221222
42332100002121
5100231414144
64540541425
71143625322
oct276200231
9113753858
1049873049
11261743a6
1214851875
13a4426a5
1468a3449
1545a22ee
hex2f90099

49873049 has 2 divisors, whose sum is σ = 49873050. Its totient is φ = 49873048.

The previous prime is 49873037. The next prime is 49873073. The reversal of 49873049 is 94037894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25321024 + 24552025 = 5032^2 + 4955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49873049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49873849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24936524 + 24936525.

It is an arithmetic number, because the mean of its divisors is an integer number (24936525).

Almost surely, 249873049 is an apocalyptic number.

It is an amenable number.

49873049 is a deficient number, since it is larger than the sum of its proper divisors (1).

49873049 is an equidigital number, since it uses as much as digits as its factorization.

49873049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 49873049 is about 7062.0853152592. The cubic root of 49873049 is about 368.0910912853.

The spelling of 49873049 in words is "forty-nine million, eight hundred seventy-three thousand, forty-nine".