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80099 = 173463
BaseRepresentation
bin10011100011100011
311001212122
4103203203
510030344
61414455
7452345
oct234343
9131778
1080099
11551a8
123a42b
132a5c6
1421295
1518aee
hex138e3

80099 has 4 divisors (see below), whose sum is σ = 80736. Its totient is φ = 79464.

The previous prime is 80077. The next prime is 80107. The reversal of 80099 is 99008.

It is a happy number.

80099 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 80099 - 28 = 79843 is a prime.

It is a Duffinian number.

80099 is a modest number, since divided by 99 gives 8 as remainder.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (80039) 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, 59 + ... + 404.

It is an arithmetic number, because the mean of its divisors is an integer number (20184).

280099 is an apocalyptic number.

80099 is a deficient number, since it is larger than the sum of its proper divisors (637).

80099 is a wasteful number, since it uses less digits than its factorization.

80099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 80099 is about 283.0176672931. The cubic root of 80099 is about 43.1064605601.

The spelling of 80099 in words is "eighty thousand, ninety-nine".

Divisors: 1 173 463 80099