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4839421892 = 221771167969
BaseRepresentation
bin1001000000111001…
…11011011111000100
3110111021020002210212
410200130323133010
534402343000032
62120113334552
7230632256504
oct44034733704
913437202725
104839421892
112063800328
12b30867458
135c17c7c66
1433ca21a04
151d4cd7bb2
hex12073b7c4

4839421892 has 12 divisors (see below), whose sum is σ = 8967164220. Its totient is φ = 2277374976.

The previous prime is 4839421889. The next prime is 4839421931. The reversal of 4839421892 is 2981249384.

It can be written as a sum of positive squares in 2 ways, for example, as 2587349956 + 2252071936 = 50866^2 + 47456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4839421892.

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, 35583917 + ... + 35584052.

It is an arithmetic number, because the mean of its divisors is an integer number (747263685).

Almost surely, 24839421892 is an apocalyptic number.

It is an amenable number.

4839421892 is a deficient number, since it is larger than the sum of its proper divisors (4127742328).

4839421892 is a wasteful number, since it uses less digits than its factorization.

4839421892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71167990 (or 71167988 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 4839421892 is about 69565.9535405072. The cubic root of 4839421892 is about 1691.4707610271.

The spelling of 4839421892 in words is "four billion, eight hundred thirty-nine million, four hundred twenty-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 17 34 68 71167969 142335938 284671876 1209855473 2419710946 4839421892