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2994989784 = 233111712
BaseRepresentation
bin1011001010000011…
…1110101011011000
321201201121020121120
42302200332223120
522113204133114
61213105005240
7134134664433
oct26240765330
97651536546
102994989784
1112a7659176
126b7023820
1338964bc07
14205aa081a
15127e045a9
hexb283ead8

2994989784 has 24 divisors (see below), whose sum is σ = 7488144780. Its totient is φ = 998240560.

The previous prime is 2994989783. The next prime is 2994989797. The reversal of 2994989784 is 4879894992.

2994989784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2994989783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262519 + ... + 273689.

Almost surely, 22994989784 is an apocalyptic number.

2994989784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2994989784 is an abundant number, since it is smaller than the sum of its proper divisors (4493154996).

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

2994989784 is an frugal number, since it uses more digits than its factorization.

2994989784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351 (or 11176 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 69.

The square root of 2994989784 is about 54726.4998332618. The cubic root of 2994989784 is about 1441.4462360578.

The spelling of 2994989784 in words is "two billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 11171 22342 33513 44684 67026 89368 134052 268104 124791241 249582482 374373723 499164964 748747446 998329928 1497494892 2994989784