Search a number
-
+
2311313244 = 223192609437
BaseRepresentation
bin1000100111000011…
…1101011101011100
312222002010212201020
42021300331131130
514213144010434
61021203244140
7111163560402
oct21160753534
95862125636
102311313244
11a86748939
12546079650
132aab06696
1417cd75472
15d7da8849
hex89c3d75c

2311313244 has 12 divisors (see below), whose sum is σ = 5393064264. Its totient is φ = 770437744.

The previous prime is 2311313237. The next prime is 2311313261. The reversal of 2311313244 is 4423131132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96304707 + ... + 96304730.

It is an arithmetic number, because the mean of its divisors is an integer number (449422022).

Almost surely, 22311313244 is an apocalyptic number.

It is an amenable number.

2311313244 is an abundant number, since it is smaller than the sum of its proper divisors (3081751020).

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

2311313244 is a wasteful number, since it uses less digits than its factorization.

2311313244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192609444 (or 192609442 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2311313244 is about 48076.1192693420. The cubic root of 2311313244 is about 1322.1668657044.

Adding to 2311313244 its reverse (4423131132), we get a palindrome (6734444376).

The spelling of 2311313244 in words is "two billion, three hundred eleven million, three hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 192609437 385218874 577828311 770437748 1155656622 2311313244