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4308397 is a prime number
BaseRepresentation
bin10000011011110110101101
322002220000021
4100123312231
52100332042
6232202141
751422632
oct20336655
98086007
104308397
112482a65
121539351
13b7b062
14802189
155a1867
hex41bdad

4308397 has 2 divisors, whose sum is σ = 4308398. Its totient is φ = 4308396.

The previous prime is 4308379. The next prime is 4308413. The reversal of 4308397 is 7938034.

4308397 is nontrivially palindromic in base 12.

Together with previous prime (4308379) 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., 3798601 + 509796 = 1949^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 4308397 - 211 = 4306349 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4308377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154198 + 2154199.

It is an arithmetic number, because the mean of its divisors is an integer number (2154199).

Almost surely, 24308397 is an apocalyptic number.

It is an amenable number.

4308397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4308397 is an equidigital number, since it uses as much as digits as its factorization.

4308397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4308397 is about 2075.6678443335. The cubic root of 4308397 is about 162.7191142764.

The spelling of 4308397 in words is "four million, three hundred eight thousand, three hundred ninety-seven".