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448985805 = 3554754721
BaseRepresentation
bin11010110000101…
…111101011001101
31011021211211201220
4122300233223031
51404420021210
6112315153553
714061213342
oct3260575315
91137754656
10448985805
11210493754
121064458b9
1372033198
14438b67c9
152963cc70
hex1ac2facd

448985805 has 16 divisors (see below), whose sum is σ = 719703744. Its totient is φ = 239016960.

The previous prime is 448985791. The next prime is 448985807. The reversal of 448985805 is 508589844.

It is not a de Polignac number, because 448985805 - 25 = 448985773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448985807) 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, 19156 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (44981484).

Almost surely, 2448985805 is an apocalyptic number.

It is an amenable number.

448985805 is a deficient number, since it is larger than the sum of its proper divisors (270717939).

448985805 is a wasteful number, since it uses less digits than its factorization.

448985805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55276.

The product of its (nonzero) digits is 1843200, while the sum is 51.

The square root of 448985805 is about 21189.2851460355. The cubic root of 448985805 is about 765.7333051394.

The spelling of 448985805 in words is "four hundred forty-eight million, nine hundred eighty-five thousand, eight hundred five".

Divisors: 1 3 5 15 547 1641 2735 8205 54721 164163 273605 820815 29932387 89797161 149661935 448985805