Search a number
-
+
80308 = 22171181
BaseRepresentation
bin10011100110110100
311002011101
4103212310
510032213
61415444
7453064
oct234664
9132141
1080308
1155378
123a584
132a727
14213a4
1518bdd
hex139b4

80308 has 12 divisors (see below), whose sum is σ = 148932. Its totient is φ = 37760.

The previous prime is 80287. The next prime is 80309.

80308 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 11664 = 262^2 + 108^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80309) 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, 523 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (12411).

280308 is an apocalyptic number.

It is an amenable number.

80308 is a deficient number, since it is larger than the sum of its proper divisors (68624).

80308 is a wasteful number, since it uses less digits than its factorization.

80308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 80308 is about 283.3866616480. The cubic root of 80308 is about 43.1439201444.

The spelling of 80308 in words is "eighty thousand, three hundred eight".

Divisors: 1 2 4 17 34 68 1181 2362 4724 20077 40154 80308