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248197769 is a prime number
BaseRepresentation
bin11101100101100…
…11001010001001
3122022000202022222
432302303022021
51002014312034
640343423425
76102434441
oct1662631211
9568022288
10248197769
11118112726
126b154b75
133c5612b1
1424d6b121
1516bca12e
hexecb3289

248197769 has 2 divisors, whose sum is σ = 248197770. Its totient is φ = 248197768.

The previous prime is 248197759. The next prime is 248197783. The reversal of 248197769 is 967791842.

248197769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246961225 + 1236544 = 15715^2 + 1112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248197769 is a prime.

It is a super-2 number, since 2×2481977692 = 123204265073154722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248197769.

It is not a weakly prime, because it can be changed into another prime (248197759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124098884 + 124098885.

It is an arithmetic number, because the mean of its divisors is an integer number (124098885).

Almost surely, 2248197769 is an apocalyptic number.

It is an amenable number.

248197769 is a deficient number, since it is larger than the sum of its proper divisors (1).

248197769 is an equidigital number, since it uses as much as digits as its factorization.

248197769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 248197769 is about 15754.2936687114. The cubic root of 248197769 is about 628.4430935532.

The spelling of 248197769 in words is "two hundred forty-eight million, one hundred ninety-seven thousand, seven hundred sixty-nine".