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4489892 = 2211102043
BaseRepresentation
bin10001001000001010100100
322110002222022
4101020022210
52122134032
6240122312
753110031
oct21101244
98402868
104489892
112597360
121606398
13c12854
1484c388
155da512
hex4482a4

4489892 has 12 divisors (see below), whose sum is σ = 8571696. Its totient is φ = 2040840.

The previous prime is 4489883. The next prime is 4489897. The reversal of 4489892 is 2989844.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 102043 = 4489892 / (4 + 4 + 8 + 9 + 8 + 9 + 2).

It is a d-powerful number, because it can be written as 49 + 411 + 83 + 92 + 85 + 92 + 2 .

It is not an unprimeable number, because it can be changed into a prime (4489897) 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, 50978 + ... + 51065.

It is an arithmetic number, because the mean of its divisors is an integer number (714308).

Almost surely, 24489892 is an apocalyptic number.

It is an amenable number.

4489892 is a deficient number, since it is larger than the sum of its proper divisors (4081804).

4489892 is a wasteful number, since it uses less digits than its factorization.

4489892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102058 (or 102056 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 4489892 is about 2118.9365257128. The cubic root of 4489892 is about 164.9726554012.

The spelling of 4489892 in words is "four million, four hundred eighty-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 44 102043 204086 408172 1122473 2244946 4489892