Search a number
-
+
80260 = 2254013
BaseRepresentation
bin10011100110000100
311002002121
4103212010
510032020
61415324
7452665
oct234604
9132077
1080260
1155334
123a544
132a6bb
142136c
1518baa
hex13984

80260 has 12 divisors (see below), whose sum is σ = 168588. Its totient is φ = 32096.

The previous prime is 80251. The next prime is 80263. The reversal of 80260 is 6208.

It can be written as a sum of positive squares in 2 ways, for example, as 49284 + 30976 = 222^2 + 176^2 .

It is not an unprimeable number, because it can be changed into a prime (80263) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 2026.

It is an arithmetic number, because the mean of its divisors is an integer number (14049).

280260 is an apocalyptic number.

It is an amenable number.

80260 is an abundant number, since it is smaller than the sum of its proper divisors (88328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84294).

80260 is a wasteful number, since it uses less digits than its factorization.

80260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 80260 is about 283.3019590472. The cubic root of 80260 is about 43.1353227407.

Adding to 80260 its reverse (6208), we get a palindrome (86468).

The spelling of 80260 in words is "eighty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 4013 8026 16052 20065 40130 80260