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4488848660 = 225224442433
BaseRepresentation
bin1000010111000111…
…00110010100010100
3102120211120010202002
410023203212110110
533143121124120
62021231334432
7216144404222
oct41343462424
912524503662
104488848660
1119a392448a
12a53381418
13566ca0b8a
14308245b12
151b4139375
hex10b8e6514

4488848660 has 12 divisors (see below), whose sum is σ = 9426582228. Its totient is φ = 1795539456.

The previous prime is 4488848653. The next prime is 4488848671. The reversal of 4488848660 is 668488844.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3320986384 + 1167862276 = 57628^2 + 34174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4488848596 and 4488848605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112221197 + ... + 112221236.

It is an arithmetic number, because the mean of its divisors is an integer number (785548519).

Almost surely, 24488848660 is an apocalyptic number.

It is an amenable number.

4488848660 is an abundant number, since it is smaller than the sum of its proper divisors (4937733568).

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

4488848660 is a wasteful number, since it uses less digits than its factorization.

4488848660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224442442 (or 224442440 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 56.

The square root of 4488848660 is about 66998.8705874957. The cubic root of 4488848660 is about 1649.5987588787.

The spelling of 4488848660 in words is "four billion, four hundred eighty-eight million, eight hundred forty-eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 224442433 448884866 897769732 1122212165 2244424330 4488848660