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447484868 = 22111871217
BaseRepresentation
bin11010101011000…
…001001111000100
31011012000120211122
4122223001033010
51404024003433
6112223053112
714042362415
oct3253011704
91135016748
10447484868
1120a659006
12105a41198
1371928c5c
144360580c
1529443198
hex1aac13c4

447484868 has 6 divisors (see below), whose sum is σ = 783098526. Its totient is φ = 223742432.

The previous prime is 447484867. The next prime is 447484871. The reversal of 447484868 is 868484744.

It can be written as a sum of positive squares in only one way, i.e., 386987584 + 60497284 = 19672^2 + 7778^2 .

It is not an unprimeable number, because it can be changed into a prime (447484861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55935605 + ... + 55935612.

It is an arithmetic number, because the mean of its divisors is an integer number (130516421).

Almost surely, 2447484868 is an apocalyptic number.

It is an amenable number.

447484868 is a deficient number, since it is larger than the sum of its proper divisors (335613658).

447484868 is a wasteful number, since it uses less digits than its factorization.

447484868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111871221 (or 111871219 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 53.

The square root of 447484868 is about 21153.8381387397. The cubic root of 447484868 is about 764.8790832283.

The spelling of 447484868 in words is "four hundred forty-seven million, four hundred eighty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 111871217 223742434 447484868