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2230404 = 2231161277
BaseRepresentation
bin1000100000100010000100
311012022112120
420200202010
51032333104
6115445540
724646431
oct10404204
94168476
102230404
111293810
128b68b0
13601287
14420b88
152e0cd9
hex220884

2230404 has 48 divisors (see below), whose sum is σ = 5791296. Its totient is φ = 662400.

The previous prime is 2230351. The next prime is 2230409. The reversal of 2230404 is 4040322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2230409) 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 15 ways as a sum of consecutive naturals, for example, 7914 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (120652).

22230404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2230404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895648).

2230404 is an abundant number, since it is smaller than the sum of its proper divisors (3560892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2230404 is a wasteful number, since it uses less digits than its factorization.

2230404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2230404 is about 1493.4537153859. The cubic root of 2230404 is about 130.6555447751.

Adding to 2230404 its reverse (4040322), we get a palindrome (6270726).

The spelling of 2230404 in words is "two million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 61 66 122 132 183 244 277 366 554 671 732 831 1108 1342 1662 2013 2684 3047 3324 4026 6094 8052 9141 12188 16897 18282 33794 36564 50691 67588 101382 185867 202764 371734 557601 743468 1115202 2230404