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42587671 = 718133613
BaseRepresentation
bin1010001001110…
…1011000010111
32222010200022011
42202131120113
541400301141
64120445051
71024663210
oct242353027
988120264
1042587671
1122048825
1212319787
138a91609
145928407
153b13881
hex289d617

42587671 has 8 divisors (see below), whose sum is σ = 48941984. Its totient is φ = 36300960.

The previous prime is 42587659. The next prime is 42587681. The reversal of 42587671 is 17678524.

42587671 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 42587671 - 25 = 42587639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42587681) 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, 15540 + ... + 18073.

It is an arithmetic number, because the mean of its divisors is an integer number (6117748).

Almost surely, 242587671 is an apocalyptic number.

42587671 is a deficient number, since it is larger than the sum of its proper divisors (6354313).

42587671 is a wasteful number, since it uses less digits than its factorization.

42587671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33801.

The product of its digits is 94080, while the sum is 40.

The square root of 42587671 is about 6525.9229998522. The cubic root of 42587671 is about 349.2163993187.

The spelling of 42587671 in words is "forty-two million, five hundred eighty-seven thousand, six hundred seventy-one".

Divisors: 1 7 181 1267 33613 235291 6083953 42587671