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2206808740 = 225110340437
BaseRepresentation
bin1000001110001001…
…0011101010100100
312200210111111111001
42003202103222210
514004420334430
61002551323044
7105454364503
oct20342235244
95623444431
102206808740
11a32760084
12517080484
132922767b6
1416d13083a
15cdb143ca
hex83893aa4

2206808740 has 12 divisors (see below), whose sum is σ = 4634298396. Its totient is φ = 882723488.

The previous prime is 2206808729. The next prime is 2206808759. The reversal of 2206808740 is 478086022.

It can be written as a sum of positive squares in 2 ways, for example, as 1281067264 + 925741476 = 35792^2 + 30426^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2206808740.

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, 55170199 + ... + 55170238.

It is an arithmetic number, because the mean of its divisors is an integer number (386191533).

Almost surely, 22206808740 is an apocalyptic number.

2206808740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206808740 is an abundant number, since it is smaller than the sum of its proper divisors (2427489656).

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

2206808740 is a wasteful number, since it uses less digits than its factorization.

2206808740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110340446 (or 110340444 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 2206808740 is about 46976.6829395180. The cubic root of 2206808740 is about 1301.9317906729.

The spelling of 2206808740 in words is "two billion, two hundred six million, eight hundred eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 110340437 220680874 441361748 551702185 1103404370 2206808740