80215 has 8 divisors (see below), whose sum is σ = 98208. Its totient is φ = 62880.
The previous prime is 80209. The next prime is 80221. The reversal of 80215 is 51208.
80215 = 662 + 672 + ... + 802.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80209) and next prime (80221).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80215 - 23 = 80207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174 + ... + 436.
It is an arithmetic number, because the mean of its divisors is an integer number (12276).
280215 is an apocalyptic number.
80215 is a deficient number, since it is larger than the sum of its proper divisors (17993).
80215 is a wasteful number, since it uses less digits than its factorization.
80215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 80215 is about 283.2225273526. Note that the first 3 decimals coincide. The cubic root of 80215 is about 43.1272595609.
The spelling of 80215 in words is "eighty thousand, two hundred fifteen".
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