Search a number
-
+
2830312 = 23418629
BaseRepresentation
bin1010110010111111101000
312022210110101
422302333220
51211032222
6140355144
733025432
oct12627750
95283411
102830312
111663501
12b45ab4
13781354
14539652
153ad927
hex2b2fe8

2830312 has 16 divisors (see below), whose sum is σ = 5436900. Its totient is φ = 1380480.

The previous prime is 2830301. The next prime is 2830349. The reversal of 2830312 is 2130382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2775556 + 54756 = 1666^2 + 234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2830312.

It is an unprimeable 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, 3987 + ... + 4642.

22830312 is an apocalyptic number.

It is an amenable number.

2830312 is a deficient number, since it is larger than the sum of its proper divisors (2606588).

2830312 is a wasteful number, since it uses less digits than its factorization.

2830312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676 (or 8672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2830312 is about 1682.3531139449. The cubic root of 2830312 is about 141.4527638492.

Adding to 2830312 its reverse (2130382), we get a palindrome (4960694).

The spelling of 2830312 in words is "two million, eight hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 41 82 164 328 8629 17258 34516 69032 353789 707578 1415156 2830312