Base | Representation |
---|---|
bin | 11101101011010… |
… | …11101010010001 |
3 | 122100110010222121 |
4 | 32311223222101 |
5 | 1002213002424 |
6 | 40411534241 |
7 | 6112032631 |
oct | 1665535221 |
9 | 570403877 |
10 | 248953489 |
11 | 118589494 |
12 | 6b45a381 |
13 | 3c767275 |
14 | 250c66c1 |
15 | 16cc8ee4 |
hex | ed6ba91 |
248953489 has 2 divisors, whose sum is σ = 248953490. Its totient is φ = 248953488.
The previous prime is 248953483. The next prime is 248953519. The reversal of 248953489 is 984359842.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 189971089 + 58982400 = 13783^2 + 7680^2 .
It is a cyclic number.
It is not a de Polignac number, because 248953489 - 217 = 248822417 is a prime.
It is not a weakly prime, because it can be changed into another prime (248953483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124476744 + 124476745.
It is an arithmetic number, because the mean of its divisors is an integer number (124476745).
Almost surely, 2248953489 is an apocalyptic number.
It is an amenable number.
248953489 is a deficient number, since it is larger than the sum of its proper divisors (1).
248953489 is an equidigital number, since it uses as much as digits as its factorization.
248953489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2488320, while the sum is 52.
The square root of 248953489 is about 15778.2600118010. The cubic root of 248953489 is about 629.0802813978.
The spelling of 248953489 in words is "two hundred forty-eight million, nine hundred fifty-three thousand, four hundred eighty-nine".
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