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448868484 = 223212468569
BaseRepresentation
bin11010110000010…
…011000010000100
31011021121212210200
4122300103002010
51404402242414
6112312450500
714060214321
oct3260230204
91137555720
10448868484
11210413599
121063a9a30
1371cc196c
1443885b48
1529618109
hex1ac13084

448868484 has 18 divisors (see below), whose sum is σ = 1134639870. Its totient is φ = 149622816.

The previous prime is 448868479. The next prime is 448868491. The reversal of 448868484 is 484868844.

It is a happy number.

448868484 is a `hidden beast` number, since 4 + 488 + 6 + 84 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 413227584 + 35640900 = 20328^2 + 5970^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 448868484.

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, 6234249 + ... + 6234320.

Almost surely, 2448868484 is an apocalyptic number.

It is an amenable number.

448868484 is an abundant number, since it is smaller than the sum of its proper divisors (685771386).

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

448868484 is a wasteful number, since it uses less digits than its factorization.

448868484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468579 (or 12468574 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 54.

The square root of 448868484 is about 21186.5165612472. The cubic root of 448868484 is about 765.6666033847. Note that the first 4 decimals are identical.

The spelling of 448868484 in words is "four hundred forty-eight million, eight hundred sixty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 12468569 24937138 37405707 49874276 74811414 112217121 149622828 224434242 448868484