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444448899 = 32317155783
BaseRepresentation
bin11010011111011…
…100000010000011
31010222022100021100
4122133130002003
51402234331044
6112034025443
714004516246
oct3237340203
91128270240
10444448899
11208975044
12104a18283
137110511b
144305525d
1529043869
hex1a7dc083

444448899 has 12 divisors (see below), whose sum is σ = 644011056. Its totient is φ = 295362672.

The previous prime is 444448883. The next prime is 444448909. The reversal of 444448899 is 998844444.

It is not a de Polignac number, because 444448899 - 24 = 444448883 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444448999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75039 + ... + 80744.

It is an arithmetic number, because the mean of its divisors is an integer number (53667588).

Almost surely, 2444448899 is an apocalyptic number.

444448899 is a deficient number, since it is larger than the sum of its proper divisors (199562157).

444448899 is a wasteful number, since it uses less digits than its factorization.

444448899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156106 (or 156103 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 444448899 is about 21081.9567165859. The cubic root of 444448899 is about 763.1453779570.

The spelling of 444448899 in words is "four hundred forty-four million, four hundred forty-eight thousand, eight hundred ninety-nine".

Divisors: 1 3 9 317 951 2853 155783 467349 1402047 49383211 148149633 444448899