Base | Representation |
---|---|
bin | 1010000101000111… |
… | …1101000010010001 |
3 | 20222120111211020120 |
4 | 2201101331002101 |
5 | 21020143310400 |
6 | 1124255300453 |
7 | 124024150116 |
oct | 24121750221 |
9 | 6876454216 |
10 | 2705838225 |
11 | 1169414342 |
12 | 63621a729 |
13 | 34177bc0c |
14 | 1b951290d |
15 | 10c839ca0 |
hex | a147d091 |
2705838225 has 24 divisors (see below), whose sum is σ = 4476588480. Its totient is φ = 1442166720.
The previous prime is 2705838199. The next prime is 2705838227. The reversal of 2705838225 is 5228385072.
It is not a de Polignac number, because 2705838225 - 214 = 2705821841 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2705838227) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 111756 + ... + 133794.
It is an arithmetic number, because the mean of its divisors is an integer number (186524520).
Almost surely, 22705838225 is an apocalyptic number.
2705838225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2705838225 is a deficient number, since it is larger than the sum of its proper divisors (1770750255).
2705838225 is a wasteful number, since it uses less digits than its factorization.
2705838225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23689 (or 23684 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 42.
The square root of 2705838225 is about 52017.6722374233. The cubic root of 2705838225 is about 1393.4795808820.
The spelling of 2705838225 in words is "two billion, seven hundred five million, eight hundred thirty-eight thousand, two hundred twenty-five".
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