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2230312 = 23739827
BaseRepresentation
bin1000100000100000101000
311012022102011
420200200220
51032332222
6115445304
724646240
oct10404050
94168364
102230312
111293737
128b6834
13601216
14420b20
152e0c77
hex220828

2230312 has 16 divisors (see below), whose sum is σ = 4779360. Its totient is φ = 955824.

The previous prime is 2230309. The next prime is 2230331. The reversal of 2230312 is 2130322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2230292 and 2230301.

It is an unprimeable number.

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, 19858 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (298710).

22230312 is an apocalyptic number.

It is an amenable number.

2230312 is an abundant number, since it is smaller than the sum of its proper divisors (2549048).

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

2230312 is a wasteful number, since it uses less digits than its factorization.

2230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39840 (or 39836 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2230312 is about 1493.4229139798. The cubic root of 2230312 is about 130.6537483179.

Adding to 2230312 its reverse (2130322), we get a palindrome (4360634).

The spelling of 2230312 in words is "two million, two hundred thirty thousand, three hundred twelve".