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248930249 is a prime number
BaseRepresentation
bin11101101011001…
…01111111001001
3122100101222002212
432311211333021
51002211231444
640411234505
76111605111
oct1665457711
9570358085
10248930249
11118572a87
126b448a35
133c759809
14250bc041
1516cc219e
hexed65fc9

248930249 has 2 divisors, whose sum is σ = 248930250. Its totient is φ = 248930248.

The previous prime is 248930239. The next prime is 248930291. The reversal of 248930249 is 942039842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233875849 + 15054400 = 15293^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248930249 is a prime.

It is not a weakly prime, because it can be changed into another prime (248930239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124465124 + 124465125.

It is an arithmetic number, because the mean of its divisors is an integer number (124465125).

Almost surely, 2248930249 is an apocalyptic number.

It is an amenable number.

248930249 is a deficient number, since it is larger than the sum of its proper divisors (1).

248930249 is an equidigital number, since it uses as much as digits as its factorization.

248930249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 248930249 is about 15777.5235382490. The cubic root of 248930249 is about 629.0607057457.

The spelling of 248930249 in words is "two hundred forty-eight million, nine hundred thirty thousand, two hundred forty-nine".