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1020384343 = 11294178017
BaseRepresentation
bin111100110100011…
…101010001010111
32122010000220011201
4330310131101113
54042204244333
6245130213331
734200060316
oct7464352127
92563026151
101020384343
11483a86950
12245884247
13133526524
149973627d
155e8ab17d
hex3cd1d457

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".

Divisors: 1 11 29 41 319 451 1189 13079 78017 858187 2262493 3198697 24887423 35185667 92762213 1020384343