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2220323340 = 2235290912721
BaseRepresentation
bin1000010001010111…
…0111001000001100
312201201221010000210
42010111313020030
514021400321330
61004153122420
7106010302614
oct20425671014
95651833023
102220323340
11a3a350874
1251b6b9410
13294cc8cc1
14170c4ba44
15cedd38b0
hex8457720c

2220323340 has 48 divisors (see below), whose sum is σ = 6219531360. Its totient is φ = 591836160.

The previous prime is 2220323333. The next prime is 2220323353. The reversal of 2220323340 is 433230222.

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 15 ways as a sum of consecutive naturals, for example, 168180 + ... + 180900.

It is an arithmetic number, because the mean of its divisors is an integer number (129573570).

Almost surely, 22220323340 is an apocalyptic number.

2220323340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220323340 is an abundant number, since it is smaller than the sum of its proper divisors (3999208020).

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

2220323340 is a wasteful number, since it uses less digits than its factorization.

2220323340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15642 (or 15640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2220323340 is about 47120.3070872846. The cubic root of 2220323340 is about 1304.5840808407.

Adding to 2220323340 its reverse (433230222), we get a palindrome (2653553562).

The spelling of 2220323340 in words is "two billion, two hundred twenty million, three hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2909 5818 8727 11636 12721 14545 17454 25442 29090 34908 38163 43635 50884 58180 63605 76326 87270 127210 152652 174540 190815 254420 381630 763260 37005389 74010778 111016167 148021556 185026945 222032334 370053890 444064668 555080835 740107780 1110161670 2220323340