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80854 = 240427
BaseRepresentation
bin10011101111010110
311002220121
4103233112
510041404
61422154
7454504
oct235726
9132817
1080854
1155824
123a95a
132aa57
1421674
1518e54
hex13bd6

80854 has 4 divisors (see below), whose sum is σ = 121284. Its totient is φ = 40426.

The previous prime is 80849. The next prime is 80863. The reversal of 80854 is 45808.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (30321).

280854 is an apocalyptic number.

80854 is a deficient number, since it is larger than the sum of its proper divisors (40430).

80854 is a wasteful number, since it uses less digits than its factorization.

80854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40429.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 80854 is about 284.3483778747. The cubic root of 80854 is about 43.2414753711.

The spelling of 80854 in words is "eighty thousand, eight hundred fifty-four".

Divisors: 1 2 40427 80854