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42627739 = 711553607
BaseRepresentation
bin1010001010011…
…1001010011011
32222012201021011
42202213022123
541403041424
64121354351
71025221060
oct242471233
988181234
1042627739
1122075940
12123389b7
138aa691b
145938c67
153b20694
hex28a729b

42627739 has 8 divisors (see below), whose sum is σ = 53146368. Its totient is φ = 33216360.

The previous prime is 42627733. The next prime is 42627743. The reversal of 42627739 is 93772624.

42627739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42627739 - 215 = 42594971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42627733) 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, 276727 + ... + 276880.

It is an arithmetic number, because the mean of its divisors is an integer number (6643296).

Almost surely, 242627739 is an apocalyptic number.

42627739 is a deficient number, since it is larger than the sum of its proper divisors (10518629).

42627739 is a wasteful number, since it uses less digits than its factorization.

42627739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553625.

The product of its digits is 127008, while the sum is 40.

The square root of 42627739 is about 6528.9921886919. The cubic root of 42627739 is about 349.3258834054.

The spelling of 42627739 in words is "forty-two million, six hundred twenty-seven thousand, seven hundred thirty-nine".

Divisors: 1 7 11 77 553607 3875249 6089677 42627739