Base | Representation |
---|---|
bin | 1010101011011101000111 |
3 | 12021020002122 |
4 | 22223131013 |
5 | 1204040211 |
6 | 140000155 |
7 | 32536415 |
oct | 12533507 |
9 | 5236078 |
10 | 2799431 |
11 | 1642288 |
12 | b3005b |
13 | 77028b |
14 | 52c2b5 |
15 | 3a46db |
hex | 2ab747 |
2799431 has 2 divisors, whose sum is σ = 2799432. Its totient is φ = 2799430.
The previous prime is 2799413. The next prime is 2799443. The reversal of 2799431 is 1349972.
Together with previous prime (2799413) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2799431 - 214 = 2783047 is a prime.
It is a super-2 number, since 2×27994312 = 15673627847522, which contains 22 as substring.
It is a d-powerful number, because it can be written as 213 + 76 + 96 + 96 + 47 + 313 + 1 .
It is a junction number, because it is equal to n+sod(n) for n = 2799391 and 2799400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2799451) 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 as a sum of consecutive naturals, namely, 1399715 + 1399716.
It is an arithmetic number, because the mean of its divisors is an integer number (1399716).
22799431 is an apocalyptic number.
2799431 is a deficient number, since it is larger than the sum of its proper divisors (1).
2799431 is an equidigital number, since it uses as much as digits as its factorization.
2799431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13608, while the sum is 35.
The square root of 2799431 is about 1673.1500231599. The cubic root of 2799431 is about 140.9364265826.
The spelling of 2799431 in words is "two million, seven hundred ninety-nine thousand, four hundred thirty-one".
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