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43045105 = 517229789
BaseRepresentation
bin1010010000110…
…1000011110001
32222222220210011
42210031003301
542004420410
64134334521
71031606635
oct244150361
988886704
1043045105
1122330474
12124ba441
138bc189c
145a06dc5
153ba418a
hex290d0f1

43045105 has 12 divisors (see below), whose sum is σ = 54873180. Its totient is φ = 32409344.

The previous prime is 43045087. The next prime is 43045133. The reversal of 43045105 is 50154034.

It can be written as a sum of positive squares in 6 ways, for example, as 234256 + 42810849 = 484^2 + 6543^2 .

It is not a de Polignac number, because 43045105 - 29 = 43044593 is a prime.

It is a super-2 number, since 2×430451052 = 3705762128922050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13450 + ... + 16339.

It is an arithmetic number, because the mean of its divisors is an integer number (4572765).

Almost surely, 243045105 is an apocalyptic number.

It is an amenable number.

43045105 is a deficient number, since it is larger than the sum of its proper divisors (11828075).

43045105 is a wasteful number, since it uses less digits than its factorization.

43045105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29828 (or 29811 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 43045105 is about 6560.8768468856. The cubic root of 43045105 is about 350.4622599530.

Adding to 43045105 its reverse (50154034), we get a palindrome (93199139).

It can be divided in two parts, 4304 and 5105, that added together give a square (9409 = 972).

The spelling of 43045105 in words is "forty-three million, forty-five thousand, one hundred five".

Divisors: 1 5 17 85 289 1445 29789 148945 506413 2532065 8609021 43045105