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284036380640 = 2551775227379
BaseRepresentation
bin1000010001000011110…
…00110011011111100000
31000011010222120010210122
410020201320303133200
514123201303140030
6334252353215412
726343454254125
oct4104170633740
91004128503718
10284036380640
11aa50614a851
124706b261568
1320a277729ac
14da66d6074c
1575c5ea28e5
hex4221e337e0

284036380640 has 24 divisors (see below), whose sum is σ = 671035949640. Its totient is φ = 113614552192.

The previous prime is 284036380577. The next prime is 284036380651. The reversal of 284036380640 is 46083630482.

It is a junction number, because it is equal to n+sod(n) for n = 284036380591 and 284036380600.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 887613530 + ... + 887613849.

It is an arithmetic number, because the mean of its divisors is an integer number (27959831235).

Almost surely, 2284036380640 is an apocalyptic number.

284036380640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284036380640 is an abundant number, since it is smaller than the sum of its proper divisors (386999569000).

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

284036380640 is a wasteful number, since it uses less digits than its factorization.

284036380640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775227394 (or 1775227386 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 284036380640 in words is "two hundred eighty-four billion, thirty-six million, three hundred eighty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1775227379 3550454758 7100909516 8876136895 14201819032 17752273790 28403638064 35504547580 56807276128 71009095160 142018190320 284036380640