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1671710892 = 223139309241
BaseRepresentation
bin110001110100100…
…0100100010101100
311022111121201020020
41203221010202230
511410424222032
6433514322140
756266210455
oct14351044254
94274551206
101671710892
11788701155
123a7a29350
13208453257
1411c04012c
159bb66b2c
hex63a448ac

1671710892 has 12 divisors (see below), whose sum is σ = 3900658776. Its totient is φ = 557236960.

The previous prime is 1671710891. The next prime is 1671710921. The reversal of 1671710892 is 2980171761.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1671710891) 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 3 ways as a sum of consecutive naturals, for example, 69654609 + ... + 69654632.

It is an arithmetic number, because the mean of its divisors is an integer number (325054898).

Almost surely, 21671710892 is an apocalyptic number.

1671710892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1671710892 is an abundant number, since it is smaller than the sum of its proper divisors (2228947884).

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

1671710892 is a wasteful number, since it uses less digits than its factorization.

1671710892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139309248 (or 139309246 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 1671710892 is about 40886.5612640633. The cubic root of 1671710892 is about 1186.8260149114.

The spelling of 1671710892 in words is "one billion, six hundred seventy-one million, seven hundred ten thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 139309241 278618482 417927723 557236964 835855446 1671710892