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105744493 is a prime number
BaseRepresentation
bin1100100110110…
…00100001101101
321100222101011201
412103120201231
5204032310433
614254245501
72422545661
oct623304155
9240871151
10105744493
1154765448
122b4b6891
1318ba540a
14100888a1
15943ba7d
hex64d886d

105744493 has 2 divisors, whose sum is σ = 105744494. Its totient is φ = 105744492.

The previous prime is 105744491. The next prime is 105744511. The reversal of 105744493 is 394447501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98843364 + 6901129 = 9942^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 105744493 - 21 = 105744491 is a prime.

It is a super-2 number, since 2×1057444932 = 22363795599654098, which contains 22 as substring.

Together with 105744491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105744491) 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, 52872246 + 52872247.

It is an arithmetic number, because the mean of its divisors is an integer number (52872247).

Almost surely, 2105744493 is an apocalyptic number.

It is an amenable number.

105744493 is a deficient number, since it is larger than the sum of its proper divisors (1).

105744493 is an equidigital number, since it uses as much as digits as its factorization.

105744493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 105744493 is about 10283.2141376128. The cubic root of 105744493 is about 472.8817858089.

The spelling of 105744493 in words is "one hundred five million, seven hundred forty-four thousand, four hundred ninety-three".