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1684383844 = 2211132944727
BaseRepresentation
bin110010001100101…
…1010100001100100
311100101110120020211
41210121122201210
511422200240334
6435050105204
756512012033
oct14431324144
94311416224
101684383844
11794877570
123b011b204
1320ac6c640
1411d9bc71a
159cd1ba64
hex6465a864

1684383844 has 24 divisors (see below), whose sum is σ = 3463000128. Its totient is φ = 706734240.

The previous prime is 1684383793. The next prime is 1684383881. The reversal of 1684383844 is 4483834861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471792 + ... + 1472935.

It is an arithmetic number, because the mean of its divisors is an integer number (144291672).

Almost surely, 21684383844 is an apocalyptic number.

It is an amenable number.

1684383844 is an abundant number, since it is smaller than the sum of its proper divisors (1778616284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1684383844 is a wasteful number, since it uses less digits than its factorization.

1684383844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944755 (or 2944753 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The square root of 1684383844 is about 41041.2456438642. The cubic root of 1684383844 is about 1189.8175093838.

The spelling of 1684383844 in words is "one billion, six hundred eighty-four million, three hundred eighty-three thousand, eight hundred forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 2944727 5889454 11778908 32391997 38281451 64783994 76562902 129567988 153125804 421095961 842191922 1684383844