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212050049 is a prime number
BaseRepresentation
bin11001010001110…
…10000010000001
3112210000020222112
430220322002001
5413241100144
633012545105
75153252501
oct1450720201
9483006875
10212050049
11a9773382
125b022195
1334c16003
142023ba01
151393999e
hexca3a081

212050049 has 2 divisors, whose sum is σ = 212050050. Its totient is φ = 212050048.

The previous prime is 212050043. The next prime is 212050057. The reversal of 212050049 is 940050212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 90345025 = 11032^2 + 9505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212050049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212050043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106025024 + 106025025.

It is an arithmetic number, because the mean of its divisors is an integer number (106025025).

Almost surely, 2212050049 is an apocalyptic number.

It is an amenable number.

212050049 is a deficient number, since it is larger than the sum of its proper divisors (1).

212050049 is an equidigital number, since it uses as much as digits as its factorization.

212050049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 212050049 is about 14561.9383668521. The cubic root of 212050049 is about 596.3201148452.

The spelling of 212050049 in words is "two hundred twelve million, fifty thousand, forty-nine".