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44422040 = 2351385427
BaseRepresentation
bin1010100101110…
…1001110011000
310002120212120202
42221131032120
542333001130
64224041332
71046403215
oct251351630
9102525522
1044422040
1123090a33
1212a63248
139284540
145c84b0c
153d77145
hex2a5d398

44422040 has 32 divisors (see below), whose sum is σ = 107639280. Its totient is φ = 16401792.

The previous prime is 44422031. The next prime is 44422061. The reversal of 44422040 is 4022444.

44422040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 42194 + ... + 43233.

Almost surely, 244422040 is an apocalyptic number.

44422040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44422040 is an abundant number, since it is smaller than the sum of its proper divisors (63217240).

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

44422040 is a wasteful number, since it uses less digits than its factorization.

44422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85451 (or 85447 counting only the distinct ones).

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

The square root of 44422040 is about 6664.9861215159. The cubic root of 44422040 is about 354.1599923694.

Adding to 44422040 its reverse (4022444), we get a palindrome (48444484).

The spelling of 44422040 in words is "forty-four million, four hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 85427 170854 341708 427135 683416 854270 1110551 1708540 2221102 3417080 4442204 5552755 8884408 11105510 22211020 44422040