80104 has 32 divisors (see below), whose sum is σ = 172800. Its totient is φ = 34560.
The previous prime is 80077. The next prime is 80107. The reversal of 80104 is 40108.
80104 = T45 + T46 + ... + T82.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569 + ... + 2599.
It is an arithmetic number, because the mean of its divisors is an integer number (5400).
280104 is an apocalyptic number.
It is an amenable number.
80104 is an abundant number, since it is smaller than the sum of its proper divisors (92696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86400).
80104 is a wasteful number, since it uses less digits than its factorization.
80104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73 (or 69 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 80104 is about 283.0265005260. The cubic root of 80104 is about 43.1073574827.
The spelling of 80104 in words is "eighty thousand, one hundred four".
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