Search a number
-
+
168208 = 2410513
BaseRepresentation
bin101001000100010000
322112201221
4221010100
520340313
63334424
71300255
oct510420
9275657
10168208
11105417
1281414
135b741
144542c
1534c8d
hex29110

168208 has 10 divisors (see below), whose sum is σ = 325934. Its totient is φ = 84096.

The previous prime is 168197. The next prime is 168211. The reversal of 168208 is 802861.

It can be written as a sum of positive squares in only one way, i.e., 85264 + 82944 = 292^2 + 288^2 .

It is an unprimeable number.

168208 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 (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5241 + ... + 5272.

2168208 is an apocalyptic number.

It is an amenable number.

168208 is a deficient number, since it is larger than the sum of its proper divisors (157726).

168208 is a wasteful number, since it uses less digits than its factorization.

168208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521 (or 10515 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 168208 is about 410.1316861692. The cubic root of 168208 is about 55.2012462087.

It can be divided in two parts, 16 and 8208, that multiplied together give a triangular number (131328 = T512).

The spelling of 168208 in words is "one hundred sixty-eight thousand, two hundred eight".

Divisors: 1 2 4 8 16 10513 21026 42052 84104 168208