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1664183048 = 2311179105649
BaseRepresentation
bin110001100110001…
…0110101100001000
311021222110020222012
41203030112230020
511402012324143
6433045115052
756145215423
oct14314265410
94258406865
101664183048
1178442a3a0
123a53b8a88
13206a189c8
1411b0409ba
159b17b418
hex63316b08

1664183048 has 32 divisors (see below), whose sum is σ = 3423060000. Its totient is φ = 752213760.

The previous prime is 1664183047. The next prime is 1664183063. The reversal of 1664183048 is 8403814661.

It is a junction number, because it is equal to n+sod(n) for n = 1664182996 and 1664183014.

It is not an unprimeable number, because it can be changed into a prime (1664183041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37073 + ... + 68576.

It is an arithmetic number, because the mean of its divisors is an integer number (106970625).

Almost surely, 21664183048 is an apocalyptic number.

It is an amenable number.

1664183048 is an abundant number, since it is smaller than the sum of its proper divisors (1758876952).

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

1664183048 is a wasteful number, since it uses less digits than its factorization.

1664183048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105845 (or 105841 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1664183048 is about 40794.3997136862. The cubic root of 1664183048 is about 1185.0418776111.

The spelling of 1664183048 in words is "one billion, six hundred sixty-four million, one hundred eighty-three thousand, forty-eight".

Divisors: 1 2 4 8 11 22 44 88 179 358 716 1432 1969 3938 7876 15752 105649 211298 422596 845192 1162139 2324278 4648556 9297112 18911171 37822342 75644684 151289368 208022881 416045762 832091524 1664183048