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1241973049 is a prime number
BaseRepresentation
bin100101000000111…
…0000000100111001
310012112222202201211
41022001300010321
510020421114144
6323123443121
742530411452
oct11201600471
93175882654
101241973049
11588074809
122a7b264a1
1316a3cc0c5
14bad38129
157407c034
hex4a070139

1241973049 has 2 divisors, whose sum is σ = 1241973050. Its totient is φ = 1241973048.

The previous prime is 1241973041. The next prime is 1241973077. The reversal of 1241973049 is 9403791421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746109225 + 495863824 = 27315^2 + 22268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241973049 - 23 = 1241973041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241973041) 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, 620986524 + 620986525.

It is an arithmetic number, because the mean of its divisors is an integer number (620986525).

Almost surely, 21241973049 is an apocalyptic number.

It is an amenable number.

1241973049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241973049 is an equidigital number, since it uses as much as digits as its factorization.

1241973049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1241973049 is about 35241.6380010918. The cubic root of 1241973049 is about 1074.9065861501.

The spelling of 1241973049 in words is "one billion, two hundred forty-one million, nine hundred seventy-three thousand, forty-nine".