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442214 = 21271741
BaseRepresentation
bin1101011111101100110
3211110121022
41223331212
5103122324
613251142
73521153
oct1537546
9743538
10442214
11282273
12193ab2
13126386
14b722a
158b05e
hex6bf66

442214 has 8 divisors (see below), whose sum is σ = 668928. Its totient is φ = 219240.

The previous prime is 442207. The next prime is 442217. The reversal of 442214 is 412244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442192 and 442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442217) by changing a digit.

442214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 617 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (83616).

2442214 is an apocalyptic number.

442214 is a deficient number, since it is larger than the sum of its proper divisors (226714).

442214 is a wasteful number, since it uses less digits than its factorization.

442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 256, while the sum is 17.

The square root of 442214 is about 664.9917292719. The cubic root of 442214 is about 76.1864076076.

Adding to 442214 its reverse (412244), we get a palindrome (854458).

It can be divided in two parts, 442 and 214, that added together give a palindrome (656).

The spelling of 442214 in words is "four hundred forty-two thousand, two hundred fourteen", and thus it is an iban number.

Divisors: 1 2 127 254 1741 3482 221107 442214