Base | Representation |
---|---|
bin | 111101100010010… |
… | …111111011110101 |
3 | 2122221200102111212 |
4 | 331202113323311 |
5 | 4103244433414 |
6 | 250240211205 |
7 | 34404302036 |
oct | 7542277365 |
9 | 2587612455 |
10 | 1032421109 |
11 | 48a858295 |
12 | 249909b05 |
13 | 135b7c185 |
14 | 9b18aa8d |
15 | 6098783e |
hex | 3d897ef5 |
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".
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