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105746189 is a prime number
BaseRepresentation
bin1100100110110…
…00111100001101
321100222110111112
412103120330031
5204032334224
614254301405
72422553633
oct623307415
9240873445
10105746189
115476674a
122b4b7865
1318ba6113
1410089353
15943c30e
hex64d8f0d

105746189 has 2 divisors, whose sum is σ = 105746190. Its totient is φ = 105746188.

The previous prime is 105746129. The next prime is 105746197. The reversal of 105746189 is 981647501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81902500 + 23843689 = 9050^2 + 4883^2 .

It is an emirp because it is prime and its reverse (981647501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105746189 - 212 = 105742093 is a prime.

It is a super-2 number, since 2×1057461892 = 22364512976047442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105746129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52873094 + 52873095.

It is an arithmetic number, because the mean of its divisors is an integer number (52873095).

Almost surely, 2105746189 is an apocalyptic number.

It is an amenable number.

105746189 is a deficient number, since it is larger than the sum of its proper divisors (1).

105746189 is an equidigital number, since it uses as much as digits as its factorization.

105746189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 105746189 is about 10283.2966017712. The cubic root of 105746189 is about 472.8843139255.

The spelling of 105746189 in words is "one hundred five million, seven hundred forty-six thousand, one hundred eighty-nine".