Search a number
-
+
166308 = 22313859
BaseRepresentation
bin101000100110100100
322110010120
4220212210
520310213
63321540
71261602
oct504644
9273116
10166308
11103a4a
12802b0
135a90c
1444872
1534423
hex289a4

166308 has 12 divisors (see below), whose sum is σ = 388080. Its totient is φ = 55432.

The previous prime is 166303. The next prime is 166319. The reversal of 166308 is 803661.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (166301) by changing a digit.

166308 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6918 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (32340).

2166308 is an apocalyptic number.

It is an amenable number.

166308 is an abundant number, since it is smaller than the sum of its proper divisors (221772).

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

166308 is a wasteful number, since it uses less digits than its factorization.

166308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866 (or 13864 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 166308 is about 407.8087787187. The cubic root of 166308 is about 54.9926160886.

Adding to 166308 its reverse (803661), we get a palindrome (969969).

It can be divided in two parts, 166 and 308, that added together give a palindrome (474).

The spelling of 166308 in words is "one hundred sixty-six thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 13859 27718 41577 55436 83154 166308