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5449984 = 2861349
BaseRepresentation
bin10100110010100100000000
3101020212222021
4110302210000
52343344414
6312451224
764216111
oct24624400
911225867
105449984
113092721
1219a9b14
13118a857
14a1c208
15729c24
hex532900

5449984 has 36 divisors (see below), whose sum is σ = 11088700. Its totient is φ = 2672640.

The previous prime is 5449957. The next prime is 5449987. The reversal of 5449984 is 4899445.

It can be written as a sum of positive squares in 2 ways, for example, as 1763584 + 3686400 = 1328^2 + 1920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5449984.

It is not an unprimeable number, because it can be changed into a prime (5449987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15442 + ... + 15790.

Almost surely, 25449984 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 5449984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544350).

5449984 is an abundant number, since it is smaller than the sum of its proper divisors (5638716).

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

5449984 is an equidigital number, since it uses as much as digits as its factorization.

5449984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 412 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 5449984 is about 2334.5200791597. The cubic root of 5449984 is about 175.9807141402.

The spelling of 5449984 in words is "five million, four hundred forty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 256 349 488 698 976 1396 1952 2792 3904 5584 7808 11168 15616 21289 22336 42578 44672 85156 89344 170312 340624 681248 1362496 2724992 5449984