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80050049 is a prime number
BaseRepresentation
bin1001100010101…
…11011110000001
312120121222000122
410301113132001
5130443100144
611535430025
71661262032
oct461273601
9176558018
1080050049
1141205872
1222985315
131377a0c1
14a8baa89
1570637ee
hex4c57781

80050049 has 2 divisors, whose sum is σ = 80050050. Its totient is φ = 80050048.

The previous prime is 80050043. The next prime is 80050057. The reversal of 80050049 is 94005008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76440049 + 3610000 = 8743^2 + 1900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80050049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80050043) 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 as a sum of consecutive naturals, namely, 40025024 + 40025025.

It is an arithmetic number, because the mean of its divisors is an integer number (40025025).

Almost surely, 280050049 is an apocalyptic number.

It is an amenable number.

80050049 is a deficient number, since it is larger than the sum of its proper divisors (1).

80050049 is an equidigital number, since it uses as much as digits as its factorization.

80050049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80050049 is about 8947.0692967027. The cubic root of 80050049 is about 430.9767753594.

The spelling of 80050049 in words is "eighty million, fifty thousand, forty-nine".