83156 has 6 divisors (see below), whose sum is σ = 145530. Its totient is φ = 41576.
The previous prime is 83137. The next prime is 83177. The reversal of 83156 is 65138.
It can be written as a sum of positive squares in only one way, i.e., 80656 + 2500 = 284^2 + 50^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10391 + ... + 10398.
It is an arithmetic number, because the mean of its divisors is an integer number (24255).
283156 is an apocalyptic number.
It is an amenable number.
83156 is a deficient number, since it is larger than the sum of its proper divisors (62374).
83156 is a wasteful number, since it uses less digits than its factorization.
83156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20793 (or 20791 counting only the distinct ones).
The product of its digits is 720, while the sum is 23.
The square root of 83156 is about 288.3678206735. The cubic root of 83156 is about 43.6480182464.
The spelling of 83156 in words is "eighty-three thousand, one hundred fifty-six".
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