Search a number
-
+
443219040 = 25345113109
BaseRepresentation
bin11010011010101…
…111110001100000
31010212222212020000
4122122233301200
51401431002130
6111551420000
713661204535
oct3232576140
91125885200
10443219040
11208205030
12104524600
1370a943b4
1442c14d8c
1528d9e260
hex1a6afc60

443219040 has 240 divisors, whose sum is σ = 1706942160. Its totient is φ = 107412480.

The previous prime is 443219027. The next prime is 443219069. The reversal of 443219040 is 40912344.

443219040 is a `hidden beast` number, since 4 + 432 + 190 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 443218995 and 443219013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141006 + ... + 144114.

It is an arithmetic number, because the mean of its divisors is an integer number (7112259).

Almost surely, 2443219040 is an apocalyptic number.

443219040 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 443219040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853471080).

443219040 is an abundant number, since it is smaller than the sum of its proper divisors (1263723120).

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

443219040 is a wasteful number, since it uses less digits than its factorization.

443219040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 443219040 is about 21052.7679890318. The cubic root of 443219040 is about 762.4408138240.

It can be divided in two parts, 44321 and 9040, that added together give a square (53361 = 2312).

The spelling of 443219040 in words is "four hundred forty-three million, two hundred nineteen thousand, forty".