Base | Representation |
---|---|
bin | 1010011101110100… |
… | …0101110010001101 |
3 | 21020210102101000110 |
4 | 2213131011302031 |
5 | 21223202432231 |
6 | 1142435350233 |
7 | 126422453415 |
oct | 24735056215 |
9 | 7223371013 |
10 | 2809420941 |
11 | 1211932598 |
12 | 664a52379 |
13 | 35a078372 |
14 | 1c9197645 |
15 | 11699b046 |
hex | a7745c8d |
2809420941 has 16 divisors (see below), whose sum is σ = 3809349440. Its totient is φ = 1841253120.
The previous prime is 2809420927. The next prime is 2809420963. The reversal of 2809420941 is 1490249082.
It is not a de Polignac number, because 2809420941 - 25 = 2809420909 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2809420941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2809620941) by changing a digit.
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, 515730 + ... + 521148.
It is an arithmetic number, because the mean of its divisors is an integer number (238084340).
Almost surely, 22809420941 is an apocalyptic number.
It is an amenable number.
2809420941 is a deficient number, since it is larger than the sum of its proper divisors (999928499).
2809420941 is a wasteful number, since it uses less digits than its factorization.
2809420941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8316.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 2809420941 is about 53003.9709927473. The cubic root of 2809420941 is about 1411.0387431489.
The spelling of 2809420941 in words is "two billion, eight hundred nine million, four hundred twenty thousand, nine hundred forty-one".
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