Search a number
-
+
108080 = 2457193
BaseRepresentation
bin11010011000110000
312111020222
4122120300
511424310
62152212
7630050
oct323060
9174228
10108080
1174225
1252668
133a26b
142b560
1522055
hex1a630

108080 has 40 divisors (see below), whose sum is σ = 288672. Its totient is φ = 36864.

The previous prime is 108079. The next prime is 108089. The reversal of 108080 is 80801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (108089) 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 7 ways as a sum of consecutive naturals, for example, 464 + ... + 656.

2108080 is an apocalyptic number.

108080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144336).

108080 is an abundant number, since it is smaller than the sum of its proper divisors (180592).

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

108080 is a wasteful number, since it uses less digits than its factorization.

108080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 108080 is about 328.7552280953. The cubic root of 108080 is about 47.6337871832.

Adding to 108080 its reverse (80801), we get a palindrome (188881).

The spelling of 108080 in words is "one hundred eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 193 280 386 560 772 965 1351 1544 1930 2702 3088 3860 5404 6755 7720 10808 13510 15440 21616 27020 54040 108080