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105244397 is a prime number
BaseRepresentation
bin1100100010111…
…10011011101101
321100000222011122
412101132123231
5203420310042
614235430325
72415363656
oct621363355
9240028148
10105244397
1154453745
122b2b53a5
1318a5b8bb
14dd9852d
15938d7d2
hex645e6ed

105244397 has 2 divisors, whose sum is σ = 105244398. Its totient is φ = 105244396.

The previous prime is 105244387. The next prime is 105244453. The reversal of 105244397 is 793442501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98029801 + 7214596 = 9901^2 + 2686^2 .

It is a cyclic number.

It is not a de Polignac number, because 105244397 - 212 = 105240301 is a prime.

It is a super-2 number, since 2×1052443972 = 22152766199787218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105244357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52622198 + 52622199.

It is an arithmetic number, because the mean of its divisors is an integer number (52622199).

Almost surely, 2105244397 is an apocalyptic number.

It is an amenable number.

105244397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105244397 is an equidigital number, since it uses as much as digits as its factorization.

105244397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 105244397 is about 10258.8691871960. The cubic root of 105244397 is about 472.1351430626.

Adding to 105244397 its reverse (793442501), we get a palindrome (898686898).

The spelling of 105244397 in words is "one hundred five million, two hundred forty-four thousand, three hundred ninety-seven".