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4440044 = 227158573
BaseRepresentation
bin10000111011111111101100
322100120121002
4100323333230
52114040134
6235055432
752511510
oct20737754
98316532
104440044
112562964
1215a1578
13bc5c5b
14838140
155ca87e
hex43bfec

4440044 has 12 divisors (see below), whose sum is σ = 8880144. Its totient is φ = 1902864.

The previous prime is 4440041. The next prime is 4440049. The reversal of 4440044 is 4400444.

4440044 is an admirable number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4439998 and 4440025.

It is not an unprimeable number, because it can be changed into a prime (4440041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79259 + ... + 79314.

It is an arithmetic number, because the mean of its divisors is an integer number (740012).

Almost surely, 24440044 is an apocalyptic number.

It is an amenable number.

4440044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4440044 is a wasteful number, since it uses less digits than its factorization.

4440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158584 (or 158582 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4440044 is about 2107.1411912826. The cubic root of 4440044 is about 164.3598582244.

Adding to 4440044 its reverse (4400444), we get a palindrome (8840488).

It can be divided in two parts, 44400 and 44, that added together give a palindrome (44444).

The spelling of 4440044 in words is "four million, four hundred forty thousand, forty-four".

Divisors: 1 2 4 7 14 28 158573 317146 634292 1110011 2220022 4440044