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44880030 = 23251389431
BaseRepresentation
bin1010101100110…
…1000010011110
310010110010211100
42223031002132
542442130110
64241533530
71053321366
oct253150236
9103403740
1044880030
1123374038
12130442a6
1393b4b40
145d639a6
153e17bc0
hex2acd09e

44880030 has 96 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 10897920.

The previous prime is 44880007. The next prime is 44880041. The reversal of 44880030 is 3008844.

44880030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44879976 and 44880003.

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 47 ways as a sum of consecutive naturals, for example, 103915 + ... + 104345.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 244880030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44880030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685440).

44880030 is an abundant number, since it is smaller than the sum of its proper divisors (82490850).

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

44880030 is a wasteful number, since it uses less digits than its factorization.

44880030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 44880030 is about 6699.2559288327. The cubic root of 44880030 is about 355.3729598826.

Adding to 44880030 its reverse (3008844), we get a palindrome (47888874).

The spelling of 44880030 in words is "forty-four million, eight hundred eighty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 89 90 117 130 178 195 234 267 390 431 445 534 585 801 862 890 1157 1170 1293 1335 1602 2155 2314 2586 2670 3471 3879 4005 4310 5603 5785 6465 6942 7758 8010 10413 11206 11570 12930 16809 17355 19395 20826 28015 33618 34710 38359 38790 50427 52065 56030 76718 84045 100854 104130 115077 168090 191795 230154 252135 345231 383590 498667 504270 575385 690462 997334 1150770 1496001 1726155 2493335 2992002 3452310 4488003 4986670 7480005 8976006 14960010 22440015 44880030