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248312093 is a prime number
BaseRepresentation
bin11101100110011…
…11000100011101
3122022020120011012
432303033010131
51002031441333
640350105005
76103421651
oct1663170435
9568216135
10248312093
11118190607
126b1ab165
133c5a1343
1424d9aa61
1516bede48
hexeccf11d

248312093 has 2 divisors, whose sum is σ = 248312094. Its totient is φ = 248312092.

The previous prime is 248312039. The next prime is 248312107. The reversal of 248312093 is 390213842.

It is a happy number.

Together with previous prime (248312039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206295769 + 42016324 = 14363^2 + 6482^2 .

It is a cyclic number.

It is not a de Polignac number, because 248312093 - 220 = 247263517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248312593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124156046 + 124156047.

It is an arithmetic number, because the mean of its divisors is an integer number (124156047).

Almost surely, 2248312093 is an apocalyptic number.

It is an amenable number.

248312093 is a deficient number, since it is larger than the sum of its proper divisors (1).

248312093 is an equidigital number, since it uses as much as digits as its factorization.

248312093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 248312093 is about 15757.9215951851. The cubic root of 248312093 is about 628.5395691718.

The spelling of 248312093 in words is "two hundred forty-eight million, three hundred twelve thousand, ninety-three".