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168225 = 3522243
BaseRepresentation
bin101001000100100001
322112202120
4221010201
520340400
63334453
71300311
oct510441
9275676
10168225
11105432
1281429
135b755
1445441
1534ca0
hex29121

168225 has 12 divisors (see below), whose sum is σ = 278256. Its totient is φ = 89680.

The previous prime is 168211. The next prime is 168227. The reversal of 168225 is 522861.

It is not a de Polignac number, because 168225 - 25 = 168193 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 168195 and 168204.

It is not an unprimeable number, because it can be changed into a prime (168227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (23188).

2168225 is an apocalyptic number.

168225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168225 is a deficient number, since it is larger than the sum of its proper divisors (110031).

168225 is a wasteful number, since it uses less digits than its factorization.

168225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2251 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 168225 is about 410.1524106963. The cubic root of 168225 is about 55.2031057904.

It can be divided in two parts, 168 and 225, that added together give a palindrome (393).

The spelling of 168225 in words is "one hundred sixty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 2243 6729 11215 33645 56075 168225