Base | Representation |
---|---|
bin | 1010011100110100… |
… | …0010111001111010 |
3 | 21020111111200100000 |
4 | 2213031002321322 |
5 | 21221113333332 |
6 | 1142205253430 |
7 | 126341634633 |
oct | 24715027172 |
9 | 7214450300 |
10 | 2805214842 |
11 | 120a51a481 |
12 | 663564276 |
13 | 359234a51 |
14 | 1c87c088a |
15 | 116419b7c |
hex | a7342e7a |
2805214842 has 24 divisors (see below), whose sum is σ = 6303076416. Its totient is φ = 935071452.
The previous prime is 2805214823. The next prime is 2805214861. The reversal of 2805214842 is 2484125082.
It is an interprime number because it is at equal distance from previous prime (2805214823) and next prime (2805214861).
It is a junction number, because it is equal to n+sod(n) for n = 2805214797 and 2805214806.
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 11 ways as a sum of consecutive naturals, for example, 2885538 + ... + 2886509.
It is an arithmetic number, because the mean of its divisors is an integer number (262628184).
Almost surely, 22805214842 is an apocalyptic number.
2805214842 is an abundant number, since it is smaller than the sum of its proper divisors (3497861574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2805214842 is an equidigital number, since it uses as much as digits as its factorization.
2805214842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5772064 (or 5772052 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 36.
The square root of 2805214842 is about 52964.2789245733. The cubic root of 2805214842 is about 1410.3342168348.
The spelling of 2805214842 in words is "two billion, eight hundred five million, two hundred fourteen thousand, eight hundred forty-two".
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