Base | Representation |
---|---|
bin | 111101100010010… |
… | …111101101101101 |
3 | 2122221200101021101 |
4 | 331202113231231 |
5 | 4103244421310 |
6 | 250240203101 |
7 | 34404266305 |
oct | 7542275555 |
9 | 2587611241 |
10 | 1032420205 |
11 | 48a857643 |
12 | 249909491 |
13 | 135b7b93b |
14 | 9b18a605 |
15 | 6098743a |
hex | 3d897b6d |
1032420205 has 24 divisors (see below), whose sum is σ = 1307358360. Its totient is φ = 782559360.
The previous prime is 1032420197. The next prime is 1032420229. The reversal of 1032420205 is 5020242301.
It can be written as a sum of positive squares in 4 ways, for example, as 375933321 + 656486884 = 19389^2 + 25622^2 .
It is not a de Polignac number, because 1032420205 - 23 = 1032420197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286515 + ... + 290095.
It is an arithmetic number, because the mean of its divisors is an integer number (54473265).
Almost surely, 21032420205 is an apocalyptic number.
It is an amenable number.
1032420205 is a deficient number, since it is larger than the sum of its proper divisors (274938155).
1032420205 is a wasteful number, since it uses less digits than its factorization.
1032420205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3741 (or 3718 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 1032420205 is about 32131.2963479533. The cubic root of 1032420205 is about 1010.6920085204.
Adding to 1032420205 its reverse (5020242301), we get a palindrome (6052662506).
The spelling of 1032420205 in words is "one billion, thirty-two million, four hundred twenty thousand, two hundred five".
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