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443400048 = 243371311279
BaseRepresentation
bin11010011011011…
…011111101110000
31010220100001112000
4122123123331300
51402002300143
6111555334000
713662560340
oct3233337560
91126301460
10443400048
11208319023
121045b1300
1370b288c0
1442c60d20
1528dd7bd3
hex1a6dbf70

443400048 has 160 divisors (see below), whose sum is σ = 1566566400. Its totient is φ = 116930304.

The previous prime is 443400031. The next prime is 443400071. The reversal of 443400048 is 840004344.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 443399994 and 443400030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33673 + ... + 44951.

It is an arithmetic number, because the mean of its divisors is an integer number (9791040).

Almost surely, 2443400048 is an apocalyptic number.

443400048 is a gapful number since it is divisible by the number (48) 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 443400048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783283200).

443400048 is an abundant number, since it is smaller than the sum of its proper divisors (1123166352).

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

443400048 is a wasteful number, since it uses less digits than its factorization.

443400048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 11304 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 443400048 is about 21057.0664623542. The cubic root of 443400048 is about 762.5445917844.

The spelling of 443400048 in words is "four hundred forty-three million, four hundred thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 36 39 42 48 52 54 56 63 72 78 84 91 104 108 112 117 126 144 156 168 182 189 208 216 234 252 273 312 336 351 364 378 432 468 504 546 624 702 728 756 819 936 1008 1092 1404 1456 1512 1638 1872 2184 2457 2808 3024 3276 4368 4914 5616 6552 9828 11279 13104 19656 22558 33837 39312 45116 67674 78953 90232 101511 135348 146627 157906 180464 203022 236859 270696 293254 304533 315812 406044 439881 473718 541392 586508 609066 631624 710577 812088 879762 947436 1026389 1173016 1218132 1263248 1319643 1421154 1624176 1759524 1894872 2052778 2131731 2346032 2436264 2639286 2842308 3079167 3519048 3789744 3958929 4105556 4263462 4872528 5278572 5684616 6158334 7038096 7917858 8211112 8526924 9237501 10557144 11369232 12316668 15835716 16422224 17053848 18475002 21114288 24633336 27712503 31671432 34107696 36950004 49266672 55425006 63342864 73900008 110850012 147800016 221700024 443400048