Base | Representation |
---|---|
bin | 1011011000001000011111 |
3 | 12121112010102 |
4 | 23120020133 |
5 | 1230414211 |
6 | 143531315 |
7 | 34231064 |
oct | 13301037 |
9 | 5545112 |
10 | 2982431 |
11 | 1757821 |
12 | bb9b3b |
13 | 80566a |
14 | 578c6b |
15 | 3dda3b |
hex | 2d821f |
2982431 has 2 divisors, whose sum is σ = 2982432. Its totient is φ = 2982430.
The previous prime is 2982379. The next prime is 2982443. The reversal of 2982431 is 1342892.
2982431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2982431 is a prime.
It is a super-2 number, since 2×29824312 = 17789789339522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2982394 and 2982403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2982451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1491215 + 1491216.
It is an arithmetic number, because the mean of its divisors is an integer number (1491216).
22982431 is an apocalyptic number.
2982431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2982431 is an equidigital number, since it uses as much as digits as its factorization.
2982431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3456, while the sum is 29.
The square root of 2982431 is about 1726.9716268659. The cubic root of 2982431 is about 143.9428624910.
The spelling of 2982431 in words is "two million, nine hundred eighty-two thousand, four hundred thirty-one".
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