Base | Representation |
---|---|
bin | 1010011111001000101011 |
3 | 12011122212202 |
4 | 22133020223 |
5 | 1200431341 |
6 | 134530415 |
7 | 32236331 |
oct | 12371053 |
9 | 5148782 |
10 | 2748971 |
11 | 1608385 |
12 | b06a0b |
13 | 753314 |
14 | 517b51 |
15 | 39479b |
hex | 29f22b |
2748971 has 2 divisors, whose sum is σ = 2748972. Its totient is φ = 2748970.
The previous prime is 2748953. The next prime is 2748973. The reversal of 2748971 is 1798472.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2748971 - 210 = 2747947 is a prime.
Together with 2748973, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2748973) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374485 + 1374486.
It is an arithmetic number, because the mean of its divisors is an integer number (1374486).
22748971 is an apocalyptic number.
2748971 is a deficient number, since it is larger than the sum of its proper divisors (1).
2748971 is an equidigital number, since it uses as much as digits as its factorization.
2748971 is an evil number, because the sum of its binary digits is even.
The product of its digits is 28224, while the sum is 38.
The square root of 2748971 is about 1658.0021109757. The cubic root of 2748971 is about 140.0844898166.
The spelling of 2748971 in words is "two million, seven hundred forty-eight thousand, nine hundred seventy-one".
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