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444105320 = 23511102633
BaseRepresentation
bin11010011110001…
…000001001101000
31010221122212222012
4122132020021220
51402142332240
6112022415052
714001555461
oct3236101150
91127585865
10444105320
1120875a99a
12104891488
1371014919
1442da5d68
1528ec6b65
hex1a788268

444105320 has 16 divisors (see below), whose sum is σ = 999237060. Its totient is φ = 177642112.

The previous prime is 444105313. The next prime is 444105341. The reversal of 444105320 is 23501444.

It can be written as a sum of positive squares in 2 ways, for example, as 422631364 + 21473956 = 20558^2 + 4634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551277 + ... + 5551356.

Almost surely, 2444105320 is an apocalyptic number.

444105320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444105320 is an abundant number, since it is smaller than the sum of its proper divisors (555131740).

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

444105320 is a wasteful number, since it uses less digits than its factorization.

444105320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102644 (or 11102640 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 444105320 is about 21073.8064905228. The cubic root of 444105320 is about 762.9486786891.

Adding to 444105320 its reverse (23501444), we get a palindrome (467606764).

The spelling of 444105320 in words is "four hundred forty-four million, one hundred five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 11102633 22205266 44410532 55513165 88821064 111026330 222052660 444105320