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3245787989 is a prime number
BaseRepresentation
bin1100000101110110…
…1100101101010101
322101012112010001222
43001131230231111
523121410203424
61254024300125
7143301512513
oct30135545525
98335463058
103245787989
111416187614
12767011645
133c95b0a12
1422b1074b3
1513ee44e5e
hexc176cb55

3245787989 has 2 divisors, whose sum is σ = 3245787990. Its totient is φ = 3245787988.

The previous prime is 3245787973. The next prime is 3245787997. The reversal of 3245787989 is 9897875423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3196997764 + 48790225 = 56542^2 + 6985^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245787989 - 24 = 3245787973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3245787929) 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, 1622893994 + 1622893995.

It is an arithmetic number, because the mean of its divisors is an integer number (1622893995).

Almost surely, 23245787989 is an apocalyptic number.

It is an amenable number.

3245787989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245787989 is an equidigital number, since it uses as much as digits as its factorization.

3245787989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 62.

The square root of 3245787989 is about 56971.8174977769. The cubic root of 3245787989 is about 1480.6078567447.

The spelling of 3245787989 in words is "three billion, two hundred forty-five million, seven hundred eighty-seven thousand, nine hundred eighty-nine".