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2205642468 = 2231091686271
BaseRepresentation
bin1000001101110111…
…0110111011100100
312200201022020122210
42003131312323210
514004121024333
61002510323420
7105441436341
oct20335667344
95621266583
102205642468
11a32033917
125167b9570
13291c589b3
1416cd097c8
15cd983a63
hex83776ee4

2205642468 has 24 divisors (see below), whose sum is σ = 5193717760. Its totient is φ = 728468640.

The previous prime is 2205642451. The next prime is 2205642497. The reversal of 2205642468 is 8642465022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841828 + ... + 844443.

Almost surely, 22205642468 is an apocalyptic number.

It is an amenable number.

2205642468 is an abundant number, since it is smaller than the sum of its proper divisors (2988075292).

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

2205642468 is a wasteful number, since it uses less digits than its factorization.

2205642468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686387 (or 1686385 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2205642468 is about 46964.2679917403. The cubic root of 2205642468 is about 1301.7023984694.

The spelling of 2205642468 in words is "two billion, two hundred five million, six hundred forty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 1686271 3372542 5058813 6745084 10117626 20235252 183803539 367607078 551410617 735214156 1102821234 2205642468