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44385490 = 2531672137
BaseRepresentation
bin1010100101010…
…0010011010010
310002112000110001
42221110103102
542330313430
64223200214
71046161522
oct251242322
9102460401
1044385490
1123066526
1212a4606a
139270a06
145c75682
153d6b3ca
hex2a544d2

44385490 has 32 divisors (see below), whose sum is σ = 83741184. Its totient is φ = 16917120.

The previous prime is 44385449. The next prime is 44385511. The reversal of 44385490 is 9458344.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19702 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (2616912).

Almost surely, 244385490 is an apocalyptic number.

44385490 is a deficient number, since it is larger than the sum of its proper divisors (39355694).

44385490 is a wasteful number, since it uses less digits than its factorization.

44385490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 44385490 is about 6662.2436160801. The cubic root of 44385490 is about 354.0628326445.

The spelling of 44385490 in words is "forty-four million, three hundred eighty-five thousand, four hundred ninety".

Divisors: 1 2 5 10 31 62 67 134 155 310 335 670 2077 2137 4154 4274 10385 10685 20770 21370 66247 132494 143179 286358 331235 662470 715895 1431790 4438549 8877098 22192745 44385490