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2989544448 = 21031188469
BaseRepresentation
bin1011001000110000…
…1101010000000000
321201100100121000110
42302030031100000
522110310410243
61212352151320
7134040465012
oct26214152000
97640317013
102989544448
1112a4579aa0
126b5238540
13388493517
142050841b2
151276cae33
hexb230d400

2989544448 has 88 divisors (see below), whose sum is σ = 8692708320. Its totient is φ = 905912320.

The previous prime is 2989544351. The next prime is 2989544449. The reversal of 2989544448 is 8444459892.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989544449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443 + ... + 78026.

Almost surely, 22989544448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989544448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4346354160).

2989544448 is an abundant number, since it is smaller than the sum of its proper divisors (5703163872).

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

2989544448 is a wasteful number, since it uses less digits than its factorization.

2989544448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88503 (or 88485 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 57.

The square root of 2989544448 is about 54676.7267491389. The cubic root of 2989544448 is about 1440.5721183438.

The spelling of 2989544448 in words is "two billion, nine hundred eighty-nine million, five hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1024 1056 1408 1536 2112 2816 3072 4224 5632 8448 11264 16896 33792 88469 176938 265407 353876 530814 707752 973159 1061628 1415504 1946318 2123256 2831008 2919477 3892636 4246512 5662016 5838954 7785272 8493024 11324032 11677908 15570544 16986048 22648064 23355816 31141088 33972096 45296128 46711632 62282176 67944192 90592256 93423264 124564352 135888384 186846528 249128704 271776768 373693056 498257408 747386112 996514816 1494772224 2989544448