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42095071 = 79532849
BaseRepresentation
bin1010000010010…
…1000111011111
32221012122120201
42200211013133
541234020241
64102124331
71020542104
oct240450737
987178521
1042095071
1121841717
12121206a7
13894b335
14583aaab
153a67931
hex28251df

42095071 has 4 divisors (see below), whose sum is σ = 42628000. Its totient is φ = 41562144.

The previous prime is 42095059. The next prime is 42095087. The reversal of 42095071 is 17059024.

It is a happy number.

42095071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42095071 - 213 = 42086879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42095171) 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 3 ways as a sum of consecutive naturals, for example, 266346 + ... + 266503.

It is an arithmetic number, because the mean of its divisors is an integer number (10657000).

Almost surely, 242095071 is an apocalyptic number.

42095071 is a deficient number, since it is larger than the sum of its proper divisors (532929).

42095071 is an equidigital number, since it uses as much as digits as its factorization.

42095071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532928.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 42095071 is about 6488.0714391875. The cubic root of 42095071 is about 347.8647440860.

The spelling of 42095071 in words is "forty-two million, ninety-five thousand, seventy-one".

Divisors: 1 79 532849 42095071