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2230306 = 21385781
BaseRepresentation
bin1000100000100000100010
311012022101221
420200200202
51032332211
6115445254
724646231
oct10404042
94168357
102230306
111293731
128b682a
13601210
14420b18
152e0c71
hex220822

2230306 has 8 divisors (see below), whose sum is σ = 3602844. Its totient is φ = 1029360.

The previous prime is 2230301. The next prime is 2230309. The reversal of 2230306 is 6030322.

2230306 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 2 ways, for example, as 2223081 + 7225 = 1491^2 + 85^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2230306.

It is not an unprimeable number, because it can be changed into a prime (2230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42865 + ... + 42916.

22230306 is an apocalyptic number.

2230306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2230306 is a deficient number, since it is larger than the sum of its proper divisors (1372538).

2230306 is a wasteful number, since it uses less digits than its factorization.

2230306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85796.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2230306 is about 1493.4209051704. The cubic root of 2230306 is about 130.6536311560.

Adding to 2230306 its sum of digits (16), we get a palindrome (2230322).

Adding to 2230306 its reverse (6030322), we get a palindrome (8260628).

The spelling of 2230306 in words is "two million, two hundred thirty thousand, three hundred six".

Divisors: 1 2 13 26 85781 171562 1115153 2230306