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447085009 = 7472635167
BaseRepresentation
bin11010101001011…
…111100111010001
31011011021021100001
4122221133213101
51403423210014
6112210330001
714036105560
oct3251374721
91134237301
10447085009
1120a405648
12105889901
1371818c57
144353dbd7
15293b4974
hex1aa5f9d1

447085009 has 16 divisors (see below), whose sum is σ = 523911168. Its totient is φ = 373563792.

The previous prime is 447084997. The next prime is 447085019. The reversal of 447085009 is 900580744.

It is not a de Polignac number, because 447085009 - 25 = 447084977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447085019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83944 + ... + 89110.

It is an arithmetic number, because the mean of its divisors is an integer number (32744448).

Almost surely, 2447085009 is an apocalyptic number.

It is an amenable number.

447085009 is a deficient number, since it is larger than the sum of its proper divisors (76826159).

447085009 is a wasteful number, since it uses less digits than its factorization.

447085009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 447085009 is about 21144.3848101570. The cubic root of 447085009 is about 764.6511910320.

The spelling of 447085009 in words is "four hundred forty-seven million, eighty-five thousand, nine".

Divisors: 1 7 47 263 329 1841 5167 12361 36169 86527 242849 1358921 1699943 9512447 63869287 447085009