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43074349 = 192267071
BaseRepresentation
bin1010010001010…
…0001100101101
310000001101220021
42210110030231
542011334344
64135122141
71032061123
oct244241455
9100041807
1043074349
112235043a
1212513351
138c01ca6
145a13913
153bacb84
hex291432d

43074349 has 4 divisors (see below), whose sum is σ = 45341440. Its totient is φ = 40807260.

The previous prime is 43074341. The next prime is 43074371. The reversal of 43074349 is 94347034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43074349 - 23 = 43074341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43074341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1133517 + ... + 1133554.

It is an arithmetic number, because the mean of its divisors is an integer number (11335360).

Almost surely, 243074349 is an apocalyptic number.

It is an amenable number.

43074349 is a deficient number, since it is larger than the sum of its proper divisors (2267091).

43074349 is a wasteful number, since it uses less digits than its factorization.

43074349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267090.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 43074349 is about 6563.1051340048. The cubic root of 43074349 is about 350.5416077150.

The spelling of 43074349 in words is "forty-three million, seventy-four thousand, three hundred forty-nine".

Divisors: 1 19 2267071 43074349