Base | Representation |
---|---|
bin | 111101100010011… |
… | …000000000100001 |
3 | 2122221200102220222 |
4 | 331202120000201 |
5 | 4103244441114 |
6 | 250240212425 |
7 | 34404302645 |
oct | 7542300041 |
9 | 2587612828 |
10 | 1032421409 |
11 | 48a858538 |
12 | 24990a115 |
13 | 135b7c356 |
14 | 9b18ac25 |
15 | 6098798e |
hex | 3d898021 |
1032421409 has 2 divisors, whose sum is σ = 1032421410. Its totient is φ = 1032421408.
The previous prime is 1032421399. The next prime is 1032421421. The reversal of 1032421409 is 9041242301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 963481600 + 68939809 = 31040^2 + 8303^2 .
It is a cyclic number.
It is not a de Polignac number, because 1032421409 - 216 = 1032355873 is a prime.
It is not a weakly prime, because it can be changed into another prime (1032421459) 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, 516210704 + 516210705.
It is an arithmetic number, because the mean of its divisors is an integer number (516210705).
Almost surely, 21032421409 is an apocalyptic number.
It is an amenable number.
1032421409 is a deficient number, since it is larger than the sum of its proper divisors (1).
1032421409 is an equidigital number, since it uses as much as digits as its factorization.
1032421409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 1032421409 is about 32131.3150835754. The cubic root of 1032421409 is about 1010.6924014072.
The spelling of 1032421409 in words is "one billion, thirty-two million, four hundred twenty-one thousand, four hundred nine".
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