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96809 = 131739
BaseRepresentation
bin10111101000101001
311220210112
4113220221
511044214
62024105
7552146
oct275051
9156715
1096809
1166809
1248035
13350ab
14273cd
151da3e
hex17a29

96809 has 4 divisors (see below), whose sum is σ = 97680. Its totient is φ = 95940.

The previous prime is 96799. The next prime is 96821. The reversal of 96809 is 90869.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90869 = 891021.

It is a cyclic number.

It is not a de Polignac number, because 96809 - 28 = 96553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (92809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (24420).

296809 is an apocalyptic number.

It is an amenable number.

96809 is a deficient number, since it is larger than the sum of its proper divisors (871).

96809 is a wasteful number, since it uses less digits than its factorization.

96809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 96809 is about 311.1414469337. The cubic root of 96809 is about 45.9168314474.

The spelling of 96809 in words is "ninety-six thousand, eight hundred nine".

Divisors: 1 131 739 96809