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248530717 is a prime number
BaseRepresentation
bin11101101000001…
…00011100011101
3122022122200001101
432310010130131
51002110440332
640354513101
76105322231
oct1664043435
9568580041
10248530717
1111831a896
126b295791
133c6499c6
14250165c1
1516c43ae7
hexed0471d

248530717 has 2 divisors, whose sum is σ = 248530718. Its totient is φ = 248530716.

The previous prime is 248530703. The next prime is 248530721. The reversal of 248530717 is 717035842.

248530717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 58890276 = 13771^2 + 7674^2 .

It is a cyclic number.

It is not a de Polignac number, because 248530717 - 211 = 248528669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248530747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124265358 + 124265359.

It is an arithmetic number, because the mean of its divisors is an integer number (124265359).

Almost surely, 2248530717 is an apocalyptic number.

It is an amenable number.

248530717 is a deficient number, since it is larger than the sum of its proper divisors (1).

248530717 is an equidigital number, since it uses as much as digits as its factorization.

248530717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 248530717 is about 15764.8570244072. The cubic root of 248530717 is about 628.7239789396.

It can be divided in two parts, 248 and 530717, that added together give a triangular number (530965 = T1030).

The spelling of 248530717 in words is "two hundred forty-eight million, five hundred thirty thousand, seven hundred seventeen".