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42692571 = 3222720897
BaseRepresentation
bin1010001011011…
…0111111011011
32222100000012100
42202312333123
541412130241
64123014443
71025611065
oct242667733
988300170
1042692571
112210a619
121236a423
138aca29c
145954735
153b349b6
hex28b6fdb

42692571 has 12 divisors (see below), whose sum is σ = 61941672. Its totient is φ = 28334976.

The previous prime is 42692569. The next prime is 42692579. The reversal of 42692571 is 17529624.

It is not a de Polignac number, because 42692571 - 21 = 42692569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42692579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8406 + ... + 12491.

It is an arithmetic number, because the mean of its divisors is an integer number (5161806).

Almost surely, 242692571 is an apocalyptic number.

42692571 is a deficient number, since it is larger than the sum of its proper divisors (19249101).

42692571 is a wasteful number, since it uses less digits than its factorization.

42692571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130 (or 21127 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 42692571 is about 6533.9552340064. The cubic root of 42692571 is about 349.5028888364.

The spelling of 42692571 in words is "forty-two million, six hundred ninety-two thousand, five hundred seventy-one".

Divisors: 1 3 9 227 681 2043 20897 62691 188073 4743619 14230857 42692571