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4489792 = 2631273
BaseRepresentation
bin10001001000001001000000
322110002211121
4101020021000
52122133132
6240122024
753106526
oct21101100
98402747
104489792
11259727a
121606314
13c127a8
1484c316
155da497
hex448240

4489792 has 42 divisors (see below), whose sum is σ = 9332214. Its totient is φ = 2142720.

The previous prime is 4489747. The next prime is 4489799. The reversal of 4489792 is 2979844.

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 553536 = 1984^2 + 744^2 .

It is not an unprimeable number, because it can be changed into a prime (4489799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61468 + ... + 61540.

Almost surely, 24489792 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 4489792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4666107).

4489792 is an abundant number, since it is smaller than the sum of its proper divisors (4842422).

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

4489792 is an equidigital number, since it uses as much as digits as its factorization.

4489792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 106 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 4489792 is about 2118.9129288387. The cubic root of 4489792 is about 164.9714306214.

The spelling of 4489792 in words is "four million, four hundred eighty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 64 73 124 146 248 292 496 584 961 992 1168 1922 1984 2263 2336 3844 4526 4672 7688 9052 15376 18104 30752 36208 61504 70153 72416 140306 144832 280612 561224 1122448 2244896 4489792