Base | Representation |
---|---|
bin | 1011011011111010000101 |
3 | 12122022100002 |
4 | 23123322011 |
5 | 1231413033 |
6 | 144131045 |
7 | 34324133 |
oct | 13337205 |
9 | 5568302 |
10 | 2997893 |
11 | 17683a8 |
12 | 1006a85 |
13 | 80c702 |
14 | 580753 |
15 | 3e33e8 |
hex | 2dbe85 |
2997893 has 2 divisors, whose sum is σ = 2997894. Its totient is φ = 2997892.
The previous prime is 2997887. The next prime is 2997901. The reversal of 2997893 is 3987992.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2765569 + 232324 = 1663^2 + 482^2 .
It is a cyclic number.
It is not a de Polignac number, because 2997893 - 26 = 2997829 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2997823) 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, 1498946 + 1498947.
It is an arithmetic number, because the mean of its divisors is an integer number (1498947).
22997893 is an apocalyptic number.
It is an amenable number.
2997893 is a deficient number, since it is larger than the sum of its proper divisors (1).
2997893 is an equidigital number, since it uses as much as digits as its factorization.
2997893 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 244944, while the sum is 47.
The square root of 2997893 is about 1731.4424622262. The cubic root of 2997893 is about 144.1911844580.
Subtracting 2997893 from its reverse (3987992), we obtain a palindrome (990099).
It can be divided in two parts, 299 and 7893, that added together give a 13-th power (8192 = 213).
The spelling of 2997893 in words is "two million, nine hundred ninety-seven thousand, eight hundred ninety-three".
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