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44430340 = 2253760041
BaseRepresentation
bin1010100101111…
…1010000000100
310002121021222011
42221133100010
542333232330
64224144004
71046436343
oct251372004
9102537864
1044430340
1123097199
1212a68004
139288256
145c87b5a
153d7982a
hex2a5f404

44430340 has 24 divisors (see below), whose sum is σ = 95827032. Its totient is φ = 17291520.

The previous prime is 44430317. The next prime is 44430343. The reversal of 44430340 is 4303444.

It is a happy number.

44430340 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28366276 + 16064064 = 5326^2 + 4008^2 .

It is a super-2 number, since 2×444303402 = 3948110225031200, which contains 22 as substring.

44430340 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (44430343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29281 + ... + 30760.

It is an arithmetic number, because the mean of its divisors is an integer number (3992793).

Almost surely, 244430340 is an apocalyptic number.

It is an amenable number.

44430340 is an abundant number, since it is smaller than the sum of its proper divisors (51396692).

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

44430340 is a wasteful number, since it uses less digits than its factorization.

44430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60087 (or 60085 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 44430340 is about 6665.6087493942. The cubic root of 44430340 is about 354.1820485745.

Adding to 44430340 its reverse (4303444), we get a palindrome (48733784).

It can be divided in two parts, 4 and 4430340, that added together give a palindrome (4430344).

The spelling of 44430340 in words is "forty-four million, four hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 60041 120082 240164 300205 600410 1200820 2221517 4443034 8886068 11107585 22215170 44430340