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444228120 = 233257225183
BaseRepresentation
bin11010011110100…
…110001000011000
31010221220010102100
4122132212020120
51402210244440
6112025203400
714002606500
oct3236461030
91127803370
10444228120
11208834186
12104930560
137105879b
1442dd8a00
1528eed230
hex1a7a6218

444228120 has 144 divisors (see below), whose sum is σ = 1679520960. Its totient is φ = 101533824.

The previous prime is 444228107. The next prime is 444228121. The reversal of 444228120 is 21822444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444228121) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 5049 + ... + 30231.

It is an arithmetic number, because the mean of its divisors is an integer number (11663340).

Almost surely, 2444228120 is an apocalyptic number.

444228120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444228120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839760480).

444228120 is an abundant number, since it is smaller than the sum of its proper divisors (1235292840).

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

444228120 is a wasteful number, since it uses less digits than its factorization.

444228120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25214 (or 25200 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 444228120 is about 21076.7198586497. The cubic root of 444228120 is about 763.0189934390.

The spelling of 444228120 in words is "four hundred forty-four million, two hundred twenty-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 840 882 980 1176 1260 1470 1764 1960 2205 2520 2940 3528 4410 5880 8820 17640 25183 50366 75549 100732 125915 151098 176281 201464 226647 251830 302196 352562 377745 453294 503660 528843 604392 705124 755490 881405 906588 1007320 1057686 1133235 1233967 1410248 1510980 1586529 1762810 1813176 2115372 2266470 2467934 2644215 3021960 3173058 3525620 3701901 4230744 4532940 4935868 5288430 6169835 6346116 7051240 7403802 7932645 9065880 9871736 10576860 11105703 12339670 12692232 14807604 15865290 18509505 21153720 22211406 24679340 29615208 31730580 37019010 44422812 49358680 55528515 63461160 74038020 88845624 111057030 148076040 222114060 444228120