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2281072806 = 23371594959
BaseRepresentation
bin1000011111110110…
…0110100010100110
312212222020111122000
42013331212202212
514132423312211
61014203150130
7110345541015
oct20775464246
95788214560
102281072806
11a70673841
12537b15346
132a477912c
14178d42a7c
15d53d3656
hex87f668a6

2281072806 has 32 divisors (see below), whose sum is σ = 5140454400. Its totient is φ = 749647080.

The previous prime is 2281072793. The next prime is 2281072813. The reversal of 2281072806 is 6082701822.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 293646 + ... + 301313.

It is an arithmetic number, because the mean of its divisors is an integer number (160639200).

Almost surely, 22281072806 is an apocalyptic number.

2281072806 is an abundant number, since it is smaller than the sum of its proper divisors (2859381594).

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

2281072806 is a wasteful number, since it uses less digits than its factorization.

2281072806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595041 (or 595035 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 2281072806 is about 47760.5779487644. The cubic root of 2281072806 is about 1316.3752725308.

The spelling of 2281072806 in words is "two billion, two hundred eighty-one million, seventy-two thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 27 54 71 142 213 426 639 1278 1917 3834 594959 1189918 1784877 3569754 5354631 10709262 16063893 32127786 42242089 84484178 126726267 253452534 380178801 760357602 1140536403 2281072806