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448928660 = 225113198641
BaseRepresentation
bin11010110000100…
…001101110010100
31011021201221100102
4122300201232110
51404411204120
6112314033232
714060554625
oct3260415624
91137657312
10448928660
11210454824
12106418818
137201317b
144389da4c
152962ad75
hex1ac21b94

448928660 has 24 divisors (see below), whose sum is σ = 951097896. Its totient is φ = 177981440.

The previous prime is 448928653. The next prime is 448928663. The reversal of 448928660 is 66829844.

It can be written as a sum of positive squares in 4 ways, for example, as 23001616 + 425927044 = 4796^2 + 20638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448928663) 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 in 7 ways as a sum of consecutive naturals, for example, 97061 + ... + 101580.

It is an arithmetic number, because the mean of its divisors is an integer number (39629079).

Almost surely, 2448928660 is an apocalyptic number.

It is an amenable number.

448928660 is an abundant number, since it is smaller than the sum of its proper divisors (502169236).

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

448928660 is a wasteful number, since it uses less digits than its factorization.

448928660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198763 (or 198761 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 448928660 is about 21187.9366621670. The cubic root of 448928660 is about 765.7008173370.

The spelling of 448928660 in words is "four hundred forty-eight million, nine hundred twenty-eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 198641 397282 794564 993205 1986410 3972820 22446433 44892866 89785732 112232165 224464330 448928660