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224041397 is a prime number
BaseRepresentation
bin11010101101010…
…01100110110101
3120121120111000112
431112221212311
5424323311042
634121552405
75360214626
oct1526514665
9517514015
10224041397
11105513688
1263045705
1337554098
1421a7da4d
1514a07982
hexd5a99b5

224041397 has 2 divisors, whose sum is σ = 224041398. Its totient is φ = 224041396.

The previous prime is 224041379. The next prime is 224041409. The reversal of 224041397 is 793140422.

Together with previous prime (224041379) 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., 159415876 + 64625521 = 12626^2 + 8039^2 .

It is a cyclic number.

It is not a de Polignac number, because 224041397 - 26 = 224041333 is a prime.

It is a super-3 number, since 3×2240413973 (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224041357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112020698 + 112020699.

It is an arithmetic number, because the mean of its divisors is an integer number (112020699).

Almost surely, 2224041397 is an apocalyptic number.

It is an amenable number.

224041397 is a deficient number, since it is larger than the sum of its proper divisors (1).

224041397 is an equidigital number, since it uses as much as digits as its factorization.

224041397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 224041397 is about 14968.0124599093. The cubic root of 224041397 is about 607.3552044735.

The spelling of 224041397 in words is "two hundred twenty-four million, forty-one thousand, three hundred ninety-seven".