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43349041 = 66165581
BaseRepresentation
bin1010010101011…
…1010000110001
310000120100201001
42211113100301
542044132131
64145042001
71034314021
oct245272061
9100510631
1043349041
112251885a
1212626301
138c9a028
145a85a81
153c14261
hex2957431

43349041 has 4 divisors (see below), whose sum is σ = 43415284. Its totient is φ = 43282800.

The previous prime is 43349039. The next prime is 43349063. The reversal of 43349041 is 14094334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15046641 + 28302400 = 3879^2 + 5320^2 .

It is a cyclic number.

It is not a de Polignac number, because 43349041 - 21 = 43349039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43349441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32130 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (10853821).

Almost surely, 243349041 is an apocalyptic number.

It is an amenable number.

43349041 is a deficient number, since it is larger than the sum of its proper divisors (66243).

43349041 is an equidigital number, since it uses as much as digits as its factorization.

43349041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66242.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 43349041 is about 6583.9988608747. The cubic root of 43349041 is about 351.2851825804.

The spelling of 43349041 in words is "forty-three million, three hundred forty-nine thousand, forty-one".

Divisors: 1 661 65581 43349041