Base | Representation |
---|---|
bin | 1011001010111101100001 |
3 | 12111210010021 |
4 | 23022331201 |
5 | 1222202411 |
6 | 142433441 |
7 | 33614563 |
oct | 13127541 |
9 | 5453107 |
10 | 2928481 |
11 | 1720236 |
12 | b92881 |
13 | 7b6c3a |
14 | 563333 |
15 | 3cca71 |
hex | 2caf61 |
2928481 has 2 divisors, whose sum is σ = 2928482. Its totient is φ = 2928480.
The previous prime is 2928479. The next prime is 2928491. The reversal of 2928481 is 1848292.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1846881 + 1081600 = 1359^2 + 1040^2 .
It is a cyclic number.
It is not a de Polignac number, because 2928481 - 21 = 2928479 is a prime.
It is a super-2 number, since 2×29284812 = 17152001934722, which contains 22 as substring.
Together with 2928479, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2928421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464240 + 1464241.
It is an arithmetic number, because the mean of its divisors is an integer number (1464241).
22928481 is an apocalyptic number.
It is an amenable number.
2928481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2928481 is an equidigital number, since it uses as much as digits as its factorization.
2928481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 34.
The square root of 2928481 is about 1711.2805147024. The cubic root of 2928481 is about 143.0696353433.
The spelling of 2928481 in words is "two million, nine hundred twenty-eight thousand, four hundred eighty-one".
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