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223102340 = 22583134399
BaseRepresentation
bin11010100110001…
…00010110000100
3120112210202212122
431103010112010
5424103233330
634045505112
75346224066
oct1523042604
9515722778
10223102340
11104a320aa
1262872198
13372b5826
14218b7736
15148be5e5
hexd4c4584

223102340 has 24 divisors (see below), whose sum is σ = 474163200. Its totient is φ = 88165088.

The previous prime is 223102309. The next prime is 223102343. The reversal of 223102340 is 43201322.

It is a super-3 number, since 3×2231023403 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223102343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65540 + ... + 68859.

It is an arithmetic number, because the mean of its divisors is an integer number (19756800).

Almost surely, 2223102340 is an apocalyptic number.

223102340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223102340 is an abundant number, since it is smaller than the sum of its proper divisors (251060860).

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

223102340 is a wasteful number, since it uses less digits than its factorization.

223102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134491 (or 134489 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223102340 is about 14936.6107266675. The cubic root of 223102340 is about 606.5054509969.

Adding to 223102340 its reverse (43201322), we get a palindrome (266303662).

The spelling of 223102340 in words is "two hundred twenty-three million, one hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 134399 268798 537596 671995 1343990 2687980 11155117 22310234 44620468 55775585 111551170 223102340