83290 has 8 divisors (see below), whose sum is σ = 149940. Its totient is φ = 33312.
The previous prime is 83273. The next prime is 83299. The reversal of 83290 is 9238.
It can be written as a sum of positive squares in 2 ways, for example, as 76729 + 6561 = 277^2 + 81^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (83299) 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, 4155 + ... + 4174.
283290 is an apocalyptic number.
83290 is a deficient number, since it is larger than the sum of its proper divisors (66650).
83290 is a wasteful number, since it uses less digits than its factorization.
83290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8336.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 83290 is about 288.6000693001. The cubic root of 83290 is about 43.6714508934.
It can be divided in two parts, 83 and 290, that added together give a palindrome (373).
The spelling of 83290 in words is "eighty-three thousand, two hundred ninety".
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