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2944813728 = 25330675143
BaseRepresentation
bin1010111110000110…
…0100101010100000
321121020012001000010
42233201210222200
522012333014403
61204113324520
7132655334523
oct25741445240
97536161003
102944813728
1112812a815a
126a2266740
1337c13163c
141dd15cbba
151237e2603
hexaf864aa0

2944813728 has 24 divisors (see below), whose sum is σ = 7730136288. Its totient is φ = 981604544.

The previous prime is 2944813699. The next prime is 2944813769. The reversal of 2944813728 is 8273184492.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15337476 + ... + 15337667.

It is an arithmetic number, because the mean of its divisors is an integer number (322089012).

Almost surely, 22944813728 is an apocalyptic number.

It is an amenable number.

2944813728 is an abundant number, since it is smaller than the sum of its proper divisors (4785322560).

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

2944813728 is a wasteful number, since it uses less digits than its factorization.

2944813728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30675156 (or 30675148 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 2944813728 is about 54266.1379499223. The cubic root of 2944813728 is about 1433.3511845382.

The spelling of 2944813728 in words is "two billion, nine hundred forty-four million, eight hundred thirteen thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 30675143 61350286 92025429 122700572 184050858 245401144 368101716 490802288 736203432 981604576 1472406864 2944813728