Base | Representation |
---|---|
bin | 111100110100011… |
… | …101010001010111 |
3 | 2122010000220011201 |
4 | 330310131101113 |
5 | 4042204244333 |
6 | 245130213331 |
7 | 34200060316 |
oct | 7464352127 |
9 | 2563026151 |
10 | 1020384343 |
11 | 483a86950 |
12 | 245884247 |
13 | 133526524 |
14 | 9973627d |
15 | 5e8ab17d |
hex | 3cd1d457 |
1020384343 has 16 divisors (see below), whose sum is σ = 1179632160. Its totient is φ = 873779200.
The previous prime is 1020384331. The next prime is 1020384349. The reversal of 1020384343 is 3434830201.
It is a cyclic number.
It is not a de Polignac number, because 1020384343 - 29 = 1020383831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020384349) 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 in 15 ways as a sum of consecutive naturals, for example, 25930 + ... + 52087.
It is an arithmetic number, because the mean of its divisors is an integer number (73727010).
Almost surely, 21020384343 is an apocalyptic number.
1020384343 is a deficient number, since it is larger than the sum of its proper divisors (159247817).
1020384343 is a wasteful number, since it uses less digits than its factorization.
1020384343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78098.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 1020384343 is about 31943.4554016938. The cubic root of 1020384343 is about 1006.7491277981.
The spelling of 1020384343 in words is "one billion, twenty million, three hundred eighty-four thousand, three hundred forty-three".
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