Search a number
-
+
6442286 = 217189479
BaseRepresentation
bin11000100100110100101110
3110010022011012
4120210310232
53122123121
6350025222
7105521114
oct30446456
913108135
106442286
113700204
1221a8212
131447406
14bd9ab4
15873c5b
hex624d2e

6442286 has 8 divisors (see below), whose sum is σ = 10231920. Its totient is φ = 3031648.

The previous prime is 6442283. The next prime is 6442301. The reversal of 6442286 is 6822446.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442283) 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, 94706 + ... + 94773.

It is an arithmetic number, because the mean of its divisors is an integer number (1278990).

Almost surely, 26442286 is an apocalyptic number.

6442286 is a deficient number, since it is larger than the sum of its proper divisors (3789634).

6442286 is a wasteful number, since it uses less digits than its factorization.

6442286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189498.

The product of its digits is 18432, while the sum is 32.

The square root of 6442286 is about 2538.1658732242. The cubic root of 6442286 is about 186.0715607021.

The spelling of 6442286 in words is "six million, four hundred forty-two thousand, two hundred eighty-six".

Divisors: 1 2 17 34 189479 378958 3221143 6442286