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105160943 = 228146103
BaseRepresentation
bin1100100010010…
…10000011101111
321022212201200202
412101022003233
5203410122233
614233544115
72414565446
oct621120357
9238781622
10105160943
11543a6a78
122b27503b
1318a2c914
14dd75d5d
159373be8
hex644a0ef

105160943 has 4 divisors (see below), whose sum is σ = 105209328. Its totient is φ = 105112560.

The previous prime is 105160879. The next prime is 105160967. The reversal of 105160943 is 349061501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349061501 = 2315176587.

It is a cyclic number.

It is not a de Polignac number, because 105160943 - 26 = 105160879 is a prime.

It is a super-2 number, since 2×1051609432 = 22117647865298498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105160973) 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 in 3 ways as a sum of consecutive naturals, for example, 20771 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (26302332).

Almost surely, 2105160943 is an apocalyptic number.

105160943 is a deficient number, since it is larger than the sum of its proper divisors (48385).

105160943 is an equidigital number, since it uses as much as digits as its factorization.

105160943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48384.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 105160943 is about 10254.8009732027. The cubic root of 105160943 is about 472.0103161946.

The spelling of 105160943 in words is "one hundred five million, one hundred sixty thousand, nine hundred forty-three".

Divisors: 1 2281 46103 105160943