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44380872 = 233468489
BaseRepresentation
bin1010100101001…
…1001011001000
310002111210010000
42221103023020
542330141442
64223123000
71046142204
oct251231310
9102453100
1044380872
1123063008
1212a43460
13926b893
145c73b04
153d69d4c
hex2a532c8

44380872 has 40 divisors (see below), whose sum is σ = 124309350. Its totient is φ = 14793408.

The previous prime is 44380837. The next prime is 44380877. The reversal of 44380872 is 27808344.

It can be written as a sum of positive squares in only one way, i.e., 36796356 + 7584516 = 6066^2 + 2754^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (44380877) 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 9 ways as a sum of consecutive naturals, for example, 33597 + ... + 34892.

Almost surely, 244380872 is an apocalyptic number.

It is an amenable number.

44380872 is an abundant number, since it is smaller than the sum of its proper divisors (79928478).

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

44380872 is a wasteful number, since it uses less digits than its factorization.

44380872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68507 (or 68494 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 44380872 is about 6661.8970271237. The cubic root of 44380872 is about 354.0505529643.

The spelling of 44380872 in words is "forty-four million, three hundred eighty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 68489 136978 205467 273956 410934 547912 616401 821868 1232802 1643736 1849203 2465604 3698406 4931208 5547609 7396812 11095218 14793624 22190436 44380872