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447990027 = 3433344873
BaseRepresentation
bin11010101100111…
…100100100001011
31011012222020210020
4122230330210023
51404141140102
6112241551523
714046565242
oct3254744413
91135866706
10447990027
1120a9735a1
121060455a3
1371a74b74
14436d7959
15294e2bbc
hex1ab3c90b

447990027 has 8 divisors (see below), whose sum is σ = 598701264. Its totient is φ = 297969408.

The previous prime is 447990013. The next prime is 447990029. The reversal of 447990027 is 720099744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447990027 - 26 = 447989963 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (447990029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171138 + ... + 173735.

It is an arithmetic number, because the mean of its divisors is an integer number (74837658).

Almost surely, 2447990027 is an apocalyptic number.

447990027 is a deficient number, since it is larger than the sum of its proper divisors (150711237).

447990027 is a wasteful number, since it uses less digits than its factorization.

447990027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345309.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 447990027 is about 21165.7748972250. The cubic root of 447990027 is about 765.1667951910.

The spelling of 447990027 in words is "four hundred forty-seven million, nine hundred ninety thousand, twenty-seven".

Divisors: 1 3 433 1299 344873 1034619 149330009 447990027