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448440012 = 223212456667
BaseRepresentation
bin11010101110101…
…010011011001100
31011020211010001100
4122232222123030
51404300040022
6112255343100
714053451166
oct3256523314
91136733040
10448440012
11210150689
12106221a90
1371ba1927
14437b3936
15295811ac
hex1abaa6cc

448440012 has 18 divisors (see below), whose sum is σ = 1133556788. Its totient is φ = 149479992.

The previous prime is 448439977. The next prime is 448440023. The reversal of 448440012 is 210044844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6228298 + ... + 6228369.

Almost surely, 2448440012 is an apocalyptic number.

It is an amenable number.

448440012 is an abundant number, since it is smaller than the sum of its proper divisors (685116776).

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

448440012 is a wasteful number, since it uses less digits than its factorization.

448440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456677 (or 12456672 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 448440012 is about 21176.4022440074. The cubic root of 448440012 is about 765.4229008642.

Adding to 448440012 its reverse (210044844), we get a palindrome (658484856).

The spelling of 448440012 in words is "four hundred forty-eight million, four hundred forty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 12456667 24913334 37370001 49826668 74740002 112110003 149480004 224220006 448440012