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342271 = 3161181
BaseRepresentation
bin1010011100011111111
3122101111201
41103203333
541423041
611200331
72623606
oct1234377
9571451
10342271
11214176
121460a7
13bca37
148ca3d
156b631
hex538ff

342271 has 8 divisors (see below), whose sum is σ = 361088. Its totient is φ = 324000.

The previous prime is 342257. The next prime is 342281. The reversal of 342271 is 172243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(342271) divides (342271-1)5.

It is a cyclic number.

It is not a de Polignac number, because 342271 - 25 = 342239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (45136).

2342271 is an apocalyptic number.

342271 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

342271 is a deficient number, since it is larger than the sum of its proper divisors (18817).

342271 is a wasteful number, since it uses less digits than its factorization.

342271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 336, while the sum is 19.

The square root of 342271 is about 585.0393149182. The cubic root of 342271 is about 69.9503729881.

The spelling of 342271 in words is "three hundred forty-two thousand, two hundred seventy-one", and thus it is an iban number.

Divisors: 1 31 61 181 1891 5611 11041 342271