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442201 is a prime number
BaseRepresentation
bin1101011111101011001
3211110120211
41223331121
5103122301
613251121
73521134
oct1537531
9743524
10442201
11282261
12193aa1
13126376
14b721b
158b051
hex6bf59

442201 has 2 divisors, whose sum is σ = 442202. Its totient is φ = 442200.

The previous prime is 442193. The next prime is 442207. The reversal of 442201 is 102244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 76176 = 605^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 442201 - 23 = 442193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (442207) 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 as a sum of consecutive naturals, namely, 221100 + 221101.

It is an arithmetic number, because the mean of its divisors is an integer number (221101).

2442201 is an apocalyptic number.

It is an amenable number.

442201 is a deficient number, since it is larger than the sum of its proper divisors (1).

442201 is an equidigital number, since it uses as much as digits as its factorization.

442201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 442201 is about 664.9819546424. The cubic root of 442201 is about 76.1856610362.

Adding to 442201 its reverse (102244), we get a palindrome (544445).

The spelling of 442201 in words is "four hundred forty-two thousand, two hundred one", and thus it is an iban number.