Base | Representation |
---|---|
bin | 1000011101110110… |
… | …0101101111100001 |
3 | 12212101110011010202 |
4 | 2013131211233201 |
5 | 14123301242204 |
6 | 1013303234545 |
7 | 110214316631 |
oct | 20735455741 |
9 | 5771404122 |
10 | 2272680929 |
11 | a66961902 |
12 | 535148a55 |
13 | 2a2acb51c |
14 | 177b9a6c1 |
15 | d47c6e1e |
hex | 87765be1 |
2272680929 has 4 divisors (see below), whose sum is σ = 2272819476. Its totient is φ = 2272542384.
The previous prime is 2272680919. The next prime is 2272680967. The reversal of 2272680929 is 9290862722.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9290862722 = 2 ⋅4645431361.
It can be written as a sum of positive squares in 2 ways, for example, as 312582400 + 1960098529 = 17680^2 + 44273^2 .
It is a cyclic number.
It is not a de Polignac number, because 2272680929 - 24 = 2272680913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2272680919) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40754 + ... + 78779.
It is an arithmetic number, because the mean of its divisors is an integer number (568204869).
Almost surely, 22272680929 is an apocalyptic number.
It is an amenable number.
2272680929 is a deficient number, since it is larger than the sum of its proper divisors (138547).
2272680929 is a wasteful number, since it uses less digits than its factorization.
2272680929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138546.
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 2272680929 is about 47672.6434026896. The cubic root of 2272680929 is about 1314.7590105210.
The spelling of 2272680929 in words is "two billion, two hundred seventy-two million, six hundred eighty thousand, nine hundred twenty-nine".
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