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2444003444 = 22611000861
BaseRepresentation
bin1001000110101100…
…1000100001110100
320022022211020110002
42101223020201310
520001131102234
61042303250432
7114364454321
oct22153104164
96268736402
102444003444
111044637a63
125825a9a18
132cc4547ac
14192835b48
15e486927e
hex91ac8874

2444003444 has 6 divisors (see below), whose sum is σ = 4277006034. Its totient is φ = 1222001720.

The previous prime is 2444003381. The next prime is 2444003447. The reversal of 2444003444 is 4443004442.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2242022500 + 201980944 = 47350^2 + 14212^2 .

It is a super-2 number, since 2×24440034442 = 11946305668567722272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444003447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305500427 + ... + 305500434.

It is an arithmetic number, because the mean of its divisors is an integer number (712834339).

Almost surely, 22444003444 is an apocalyptic number.

It is an amenable number.

2444003444 is a deficient number, since it is larger than the sum of its proper divisors (1833002590).

2444003444 is a wasteful number, since it uses less digits than its factorization.

2444003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611000865 (or 611000863 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 2444003444 is about 49436.8632095524. The cubic root of 2444003444 is about 1346.9989934272.

Adding to 2444003444 its reverse (4443004442), we get a palindrome (6887007886).

The spelling of 2444003444 in words is "two billion, four hundred forty-four million, three thousand, four hundred forty-four".

Divisors: 1 2 4 611000861 1222001722 2444003444