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42432849 = 331571587
BaseRepresentation
bin1010000111011…
…1100101010001
32221211210221000
42201313211101
541330322344
64113252213
71023446634
oct241674521
987753830
1042432849
1121a52478
1212264069
138a38cc4
1458c7c1b
153ad2a69
hex2877951

42432849 has 8 divisors (see below), whose sum is σ = 62863520. Its totient is φ = 28288548.

The previous prime is 42432839. The next prime is 42432877. The reversal of 42432849 is 94823424.

42432849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42432849 - 27 = 42432721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42432839) 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 7 ways as a sum of consecutive naturals, for example, 785767 + ... + 785820.

It is an arithmetic number, because the mean of its divisors is an integer number (7857940).

Almost surely, 242432849 is an apocalyptic number.

It is an amenable number.

42432849 is a deficient number, since it is larger than the sum of its proper divisors (20430671).

42432849 is a wasteful number, since it uses less digits than its factorization.

42432849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571596 (or 1571590 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42432849 is about 6514.0501226196. The cubic root of 42432849 is about 348.7927083782.

The spelling of 42432849 in words is "forty-two million, four hundred thirty-two thousand, eight hundred forty-nine".

Divisors: 1 3 9 27 1571587 4714761 14144283 42432849