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166450 = 2523329
BaseRepresentation
bin101000101000110010
322110022211
4220220302
520311300
63322334
71262164
oct505062
9273284
10166450
11104069
12803aa
135a9bb
1444934
15344ba
hex28a32

166450 has 12 divisors (see below), whose sum is σ = 309690. Its totient is φ = 66560.

The previous prime is 166429. The next prime is 166457. The reversal of 166450 is 54661.

It can be written as a sum of positive squares in 3 ways, for example, as 114921 + 51529 = 339^2 + 227^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166457) 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 5 ways as a sum of consecutive naturals, for example, 1615 + ... + 1714.

2166450 is an apocalyptic number.

166450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166450 is a deficient number, since it is larger than the sum of its proper divisors (143240).

166450 is a wasteful number, since it uses less digits than its factorization.

166450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 166450 is about 407.9828427765. The cubic root of 166450 is about 55.0082632213.

It can be divided in two parts, 166 and 450, that added together give a palindrome (616).

The spelling of 166450 in words is "one hundred sixty-six thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 3329 6658 16645 33290 83225 166450