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170213 is a prime number
BaseRepresentation
bin101001100011100101
322122111012
4221203211
520421323
63352005
71306151
oct514345
9278435
10170213
1110697a
1282605
135c624
1446061
1535678
hex298e5

170213 has 2 divisors, whose sum is σ = 170214. Its totient is φ = 170212.

The previous prime is 170207. The next prime is 170227. The reversal of 170213 is 312071.

170213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (170227) can be obtained adding 170213 to its sum of digits (14).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113569 + 56644 = 337^2 + 238^2 .

It is an emirp because it is prime and its reverse (312071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170213 - 24 = 170197 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85106 + 85107.

It is an arithmetic number, because the mean of its divisors is an integer number (85107).

2170213 is an apocalyptic number.

It is an amenable number.

170213 is a deficient number, since it is larger than the sum of its proper divisors (1).

170213 is an equidigital number, since it uses as much as digits as its factorization.

170213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 170213 is about 412.5687821443. The cubic root of 170213 is about 55.4197091313.

Adding to 170213 its reverse (312071), we get a palindrome (482284).

It can be divided in two parts, 170 and 213, that added together give a palindrome (383).

The spelling of 170213 in words is "one hundred seventy thousand, two hundred thirteen".