Search a number
-
+
444140200 = 235271959283
BaseRepresentation
bin11010011110010…
…000101010101000
31010221201122211001
4122132100222220
51402144441300
6112023244344
714002062250
oct3236205250
91127648731
10444140200
11208784119
121048a96b4
137102776a
1442db4960
1528ed216a
hex1a790aa8

444140200 has 192 divisors, whose sum is σ = 1267776000. Its totient is φ = 141315840.

The previous prime is 444140149. The next prime is 444140231. The reversal of 444140200 is 2041444.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 1569259 + ... + 1569541.

It is an arithmetic number, because the mean of its divisors is an integer number (6603000).

Almost surely, 2444140200 is an apocalyptic number.

444140200 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 444140200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633888000).

444140200 is an abundant number, since it is smaller than the sum of its proper divisors (823635800).

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

444140200 is a wasteful number, since it uses less digits than its factorization.

444140200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 444140200 is about 21074.6340418998. The cubic root of 444140200 is about 762.9686521443.

Adding to 444140200 its reverse (2041444), we get a palindrome (446181644).

The spelling of 444140200 in words is "four hundred forty-four million, one hundred forty thousand, two hundred".