Base | Representation |
---|---|
bin | 1011010000000101110101 |
3 | 12112211221111 |
4 | 23100011311 |
5 | 1223340433 |
6 | 143115021 |
7 | 34033051 |
oct | 13200565 |
9 | 5484844 |
10 | 2949493 |
11 | 1734aa8 |
12 | ba2a71 |
13 | 7c3681 |
14 | 56ac61 |
15 | 3d3dcd |
hex | 2d0175 |
2949493 has 2 divisors, whose sum is σ = 2949494. Its totient is φ = 2949492.
The previous prime is 2949491. The next prime is 2949509. The reversal of 2949493 is 3949492.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2900209 + 49284 = 1703^2 + 222^2 .
It is a cyclic number.
It is not a de Polignac number, because 2949493 - 21 = 2949491 is a prime.
Together with 2949491, it forms a pair of twin primes.
2949493 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2949491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474746 + 1474747.
It is an arithmetic number, because the mean of its divisors is an integer number (1474747).
22949493 is an apocalyptic number.
It is an amenable number.
2949493 is a deficient number, since it is larger than the sum of its proper divisors (1).
2949493 is an equidigital number, since it uses as much as digits as its factorization.
2949493 is an evil number, because the sum of its binary digits is even.
The product of its digits is 69984, while the sum is 40.
The square root of 2949493 is about 1717.4088039835. The cubic root of 2949493 is about 143.4109975116.
Subtracting 2949493 from its reverse (3949492), we obtain a palindrome (999999).
The spelling of 2949493 in words is "two million, nine hundred forty-nine thousand, four hundred ninety-three".
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