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80849 is a prime number
BaseRepresentation
bin10011101111010001
311002220102
4103233101
510041344
61422145
7454466
oct235721
9132812
1080849
115581a
123a955
132aa52
142166d
1518e4e
hex13bd1

80849 has 2 divisors, whose sum is σ = 80850. Its totient is φ = 80848.

The previous prime is 80833. The next prime is 80863. The reversal of 80849 is 94808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71824 + 9025 = 268^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 80849 - 24 = 80833 is a prime.

It is a Chen prime.

It is a magnanimous number.

It is not a weakly prime, because it can be changed into another prime (80809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40424 + 40425.

It is an arithmetic number, because the mean of its divisors is an integer number (40425).

280849 is an apocalyptic number.

It is an amenable number.

80849 is a deficient number, since it is larger than the sum of its proper divisors (1).

80849 is an equidigital number, since it uses as much as digits as its factorization.

80849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80849 is about 284.3395857070. The cubic root of 80849 is about 43.2405840038.

It can be divided in two parts, 80 and 849, that added together give a palindrome (929).

The spelling of 80849 in words is "eighty thousand, eight hundred forty-nine".