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1032421109 is a prime number
BaseRepresentation
bin111101100010010…
…111111011110101
32122221200102111212
4331202113323311
54103244433414
6250240211205
734404302036
oct7542277365
92587612455
101032421109
1148a858295
12249909b05
13135b7c185
149b18aa8d
156098783e
hex3d897ef5

1032421109 has 2 divisors, whose sum is σ = 1032421110. Its totient is φ = 1032421108.

The previous prime is 1032421057. The next prime is 1032421189. The reversal of 1032421109 is 9011242301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984076900 + 48344209 = 31370^2 + 6953^2 .

It is an emirp because it is prime and its reverse (9011242301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1032421109 - 212 = 1032417013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032421189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516210554 + 516210555.

It is an arithmetic number, because the mean of its divisors is an integer number (516210555).

Almost surely, 21032421109 is an apocalyptic number.

It is an amenable number.

1032421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032421109 is an equidigital number, since it uses as much as digits as its factorization.

1032421109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1032421109 is about 32131.3104152321. The cubic root of 1032421109 is about 1010.6923035118.

The spelling of 1032421109 in words is "one billion, thirty-two million, four hundred twenty-one thousand, one hundred nine".