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248513197 is a prime number
BaseRepresentation
bin11101101000000…
…00001010101101
3122022121210000111
432310000022231
51002104410242
640354300021
76105220162
oct1664001255
9568553014
10248513197
11118308709
126b287611
133c641a3a
1425010069
1516c3d817
hexed002ad

248513197 has 2 divisors, whose sum is σ = 248513198. Its totient is φ = 248513196.

The previous prime is 248513173. The next prime is 248513231. The reversal of 248513197 is 791315842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200335716 + 48177481 = 14154^2 + 6941^2 .

It is a cyclic number.

It is not a de Polignac number, because 248513197 - 211 = 248511149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248513897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124256598 + 124256599.

It is an arithmetic number, because the mean of its divisors is an integer number (124256599).

Almost surely, 2248513197 is an apocalyptic number.

It is an amenable number.

248513197 is a deficient number, since it is larger than the sum of its proper divisors (1).

248513197 is an equidigital number, since it uses as much as digits as its factorization.

248513197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 248513197 is about 15764.3013482996. The cubic root of 248513197 is about 628.7092047726.

The spelling of 248513197 in words is "two hundred forty-eight million, five hundred thirteen thousand, one hundred ninety-seven".