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105342397 is a prime number
BaseRepresentation
bin1100100011101…
…10010110111101
321100012221121021
412101312112331
5203431424042
614241504141
72416252456
oct621662675
9240187537
10105342397
1154510336
122b342051
1318a943a4
14ddc212d
1593ac867
hex64765bd

105342397 has 2 divisors, whose sum is σ = 105342398. Its totient is φ = 105342396.

The previous prime is 105342379. The next prime is 105342437. The reversal of 105342397 is 793243501.

Together with previous prime (105342379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 37625956 = 8229^2 + 6134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105342397 is a prime.

It is a super-2 number, since 2×1053423972 = 22194041211411218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105342197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52671198 + 52671199.

It is an arithmetic number, because the mean of its divisors is an integer number (52671199).

Almost surely, 2105342397 is an apocalyptic number.

It is an amenable number.

105342397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105342397 is an equidigital number, since it uses as much as digits as its factorization.

105342397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 105342397 is about 10263.6444307078. The cubic root of 105342397 is about 472.2816429914.

Adding to 105342397 its reverse (793243501), we get a palindrome (898585898).

The spelling of 105342397 in words is "one hundred five million, three hundred forty-two thousand, three hundred ninety-seven".