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4428944 = 2413107199
BaseRepresentation
bin10000111001010010010000
322100000100222
4100321102100
52113211234
6234532212
752434242
oct20712220
98300328
104428944
112555593
121597068
13bc0ba0
14834092
155c742e
hex439490

4428944 has 40 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 2014848.

The previous prime is 4428917. The next prime is 4428947. The reversal of 4428944 is 4498244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428947) 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, 22157 + ... + 22355.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 24428944 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 4428944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4687200).

4428944 is an abundant number, since it is smaller than the sum of its proper divisors (4945456).

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

4428944 is a wasteful number, since it uses less digits than its factorization.

4428944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 4428944 is about 2104.5056426629. The cubic root of 4428944 is about 164.2227787379. Note that the first 3 decimals are identical.

The spelling of 4428944 in words is "four million, four hundred twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 104 107 199 208 214 398 428 796 856 1391 1592 1712 2587 2782 3184 5174 5564 10348 11128 20696 21293 22256 41392 42586 85172 170344 276809 340688 553618 1107236 2214472 4428944