Base | Representation |
---|---|
bin | 1000010011010111… |
… | …1011101011001011 |
3 | 12202022202020120201 |
4 | 2010311323223023 |
5 | 14031023334241 |
6 | 1005053233031 |
7 | 106141616524 |
oct | 20465735313 |
9 | 5668666521 |
10 | 2228730571 |
11 | a440732a1 |
12 | 522492777 |
13 | 2969808b2 |
14 | 171dd984b |
15 | d09e4931 |
hex | 84d7bacb |
2228730571 has 8 divisors (see below), whose sum is σ = 2351776400. Its totient is φ = 2106259200.
The previous prime is 2228730563. The next prime is 2228730589. The reversal of 2228730571 is 1750378222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2228730571 - 23 = 2228730563 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2228730571.
It is not an unprimeable number, because it can be changed into a prime (2228730551) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135630 + ... + 151171.
It is an arithmetic number, because the mean of its divisors is an integer number (293972050).
Almost surely, 22228730571 is an apocalyptic number.
2228730571 is a deficient number, since it is larger than the sum of its proper divisors (123045829).
2228730571 is a wasteful number, since it uses less digits than its factorization.
2228730571 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287229.
The product of its (nonzero) digits is 47040, while the sum is 37.
The square root of 2228730571 is about 47209.4330722156. The cubic root of 2228730571 is about 1306.2286048982.
The spelling of 2228730571 in words is "two billion, two hundred twenty-eight million, seven hundred thirty thousand, five hundred seventy-one".
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