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444784344 = 23318532681
BaseRepresentation
bin11010100000101…
…101111011011000
31010222221101102020
4122200231323120
51402331044334
6112045134440
714010414234
oct3240557330
91128841366
10444784344
11209084074
12104b5a420
13711c1a04
14431015c4
15290ace49
hex1a82ded8

444784344 has 16 divisors (see below), whose sum is σ = 1111960920. Its totient is φ = 148261440.

The previous prime is 444784313. The next prime is 444784349. The reversal of 444784344 is 443487444.

It is a super-2 number, since 2×4447843442 = 395666225335020672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444784296 and 444784305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444784349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9266317 + ... + 9266364.

Almost surely, 2444784344 is an apocalyptic number.

It is an amenable number.

444784344 is an abundant number, since it is smaller than the sum of its proper divisors (667176576).

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

444784344 is a wasteful number, since it uses less digits than its factorization.

444784344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532690 (or 18532686 counting only the distinct ones).

The product of its digits is 688128, while the sum is 42.

The square root of 444784344 is about 21089.9109528703. The cubic root of 444784344 is about 763.3373227270.

The spelling of 444784344 in words is "four hundred forty-four million, seven hundred eighty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 18532681 37065362 55598043 74130724 111196086 148261448 222392172 444784344