Search a number
-
+
180102 = 23132309
BaseRepresentation
bin101011111110000110
3100011001110
4223332012
521230402
63505450
71350036
oct537606
9304043
10180102
1111334a
1288286
1363c90
14498c6
153856c
hex2bf86

180102 has 16 divisors (see below), whose sum is σ = 388080. Its totient is φ = 55392.

The previous prime is 180097. The next prime is 180137. The reversal of 180102 is 201081.

It is a happy number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

180102 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 1077 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (24255).

2180102 is an apocalyptic number.

180102 is an abundant number, since it is smaller than the sum of its proper divisors (207978).

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

180102 is a wasteful number, since it uses less digits than its factorization.

180102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 180102 is about 424.3842598401. The cubic root of 180102 is about 56.4728247940.

Adding to 180102 its reverse (201081), we get a palindrome (381183).

It can be divided in two parts, 180 and 102, that added together give a palindrome (282).

The spelling of 180102 in words is "one hundred eighty thousand, one hundred two".

Divisors: 1 2 3 6 13 26 39 78 2309 4618 6927 13854 30017 60034 90051 180102