Base | Representation |
---|---|
bin | 11101101011101… |
… | …00001010111101 |
3 | 122100111220210201 |
4 | 32311310022331 |
5 | 1002220111344 |
6 | 40412403501 |
7 | 6112236361 |
oct | 1665641275 |
9 | 570456721 |
10 | 248988349 |
11 | 1186026a5 |
12 | 6b476591 |
13 | 3c77a0ac |
14 | 250d52a1 |
15 | 16cd44d4 |
hex | ed742bd |
248988349 has 2 divisors, whose sum is σ = 248988350. Its totient is φ = 248988348.
The previous prime is 248988323. The next prime is 248988353. The reversal of 248988349 is 943889842.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 244703449 + 4284900 = 15643^2 + 2070^2 .
It is a cyclic number.
It is not a de Polignac number, because 248988349 - 27 = 248988221 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 248988349.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248980349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124494174 + 124494175.
It is an arithmetic number, because the mean of its divisors is an integer number (124494175).
Almost surely, 2248988349 is an apocalyptic number.
It is an amenable number.
248988349 is a deficient number, since it is larger than the sum of its proper divisors (1).
248988349 is an equidigital number, since it uses as much as digits as its factorization.
248988349 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3981312, while the sum is 55.
The square root of 248988349 is about 15779.3646576787. The cubic root of 248988349 is about 629.1096425919.
The spelling of 248988349 in words is "two hundred forty-eight million, nine hundred eighty-eight thousand, three hundred forty-nine".
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