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105369431 is a prime number
BaseRepresentation
bin1100100011111…
…00111101010111
321100021022200112
412101330331113
5203433310211
614242233235
72416424336
oct621747527
9240238615
10105369431
1154529682
122b35581b
1318aa379b
14ddcbd1d
1593b588b
hex647cf57

105369431 has 2 divisors, whose sum is σ = 105369432. Its totient is φ = 105369430.

The previous prime is 105369389. The next prime is 105369521. The reversal of 105369431 is 134963501.

It is a weak prime.

It is an emirp because it is prime and its reverse (134963501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105369431 - 222 = 101175127 is a prime.

It is a super-2 number, since 2×1053694312 = 22205433978527522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105339431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52684715 + 52684716.

It is an arithmetic number, because the mean of its divisors is an integer number (52684716).

Almost surely, 2105369431 is an apocalyptic number.

105369431 is a deficient number, since it is larger than the sum of its proper divisors (1).

105369431 is an equidigital number, since it uses as much as digits as its factorization.

105369431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 105369431 is about 10264.9613248175. The cubic root of 105369431 is about 472.3220400530.

The spelling of 105369431 in words is "one hundred five million, three hundred sixty-nine thousand, four hundred thirty-one".