80190 has 56 divisors (see below), whose sum is σ = 236088. Its totient is φ = 19440.
The previous prime is 80177. The next prime is 80191. The reversal of 80190 is 9108.
It is a super-2 number, since 2×801902 = 12860872200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80191) by changing a digit.
80190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7285 + ... + 7295.
280190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118044).
80190 is an abundant number, since it is smaller than the sum of its proper divisors (155898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80190 is a wasteful number, since it uses less digits than its factorization.
80190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36 (or 21 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 80190 is about 283.1783890059. The cubic root of 80190 is about 43.1227787136.
Adding to 80190 its sum of digits (18), we get a palindrome (80208).
Adding to 80190 its reverse (9108), we get a palindrome (89298).
The spelling of 80190 in words is "eighty thousand, one hundred ninety".
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