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201343 = 1910597
BaseRepresentation
bin110001001001111111
3101020012011
4301021333
522420333
64152051
71466002
oct611177
9336164
10201343
111282aa
1298627
137084c
1453539
153e9cd
hex3127f

201343 has 4 divisors (see below), whose sum is σ = 211960. Its totient is φ = 190728.

The previous prime is 201337. The next prime is 201359. The reversal of 201343 is 343102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201343 - 217 = 70271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280 + ... + 5317.

It is an arithmetic number, because the mean of its divisors is an integer number (52990).

2201343 is an apocalyptic number.

201343 is a deficient number, since it is larger than the sum of its proper divisors (10617).

201343 is a wasteful number, since it uses less digits than its factorization.

201343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 201343 is about 448.7126028986. The cubic root of 201343 is about 58.6109613853.

Adding to 201343 its reverse (343102), we get a palindrome (544445).

The spelling of 201343 in words is "two hundred one thousand, three hundred forty-three", and thus it is an iban number.

Divisors: 1 19 10597 201343