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448644940 = 22522432247
BaseRepresentation
bin11010101111011…
…100011101001100
31011021012112011021
4122233130131030
51404323114230
6112304003524
714055263512
oct3257343514
91137175137
10448644940
11210280647
121063005a4
1371c43ca3
14438284b2
15295c1c7a
hex1abdc74c

448644940 has 12 divisors (see below), whose sum is σ = 942154416. Its totient is φ = 179457968.

The previous prime is 448644913. The next prime is 448644941. The reversal of 448644940 is 49446844.

It is not an unprimeable number, because it can be changed into a prime (448644941) 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 3 ways as a sum of consecutive naturals, for example, 11216104 + ... + 11216143.

It is an arithmetic number, because the mean of its divisors is an integer number (78512868).

Almost surely, 2448644940 is an apocalyptic number.

It is an amenable number.

448644940 is an abundant number, since it is smaller than the sum of its proper divisors (493509476).

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

448644940 is a wasteful number, since it uses less digits than its factorization.

448644940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22432256 (or 22432254 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 448644940 is about 21181.2402847425. The cubic root of 448644940 is about 765.5394773610.

The spelling of 448644940 in words is "four hundred forty-eight million, six hundred forty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 22432247 44864494 89728988 112161235 224322470 448644940