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42871169 = 119074297
BaseRepresentation
bin1010001110001…
…0100110000001
32222200002012002
42203202212001
541433334134
64130513345
71030253555
oct243424601
988602162
1042871169
1122221820
1212435855
138b60673
14599d865
153b6c87e
hex28e2981

42871169 has 8 divisors (see below), whose sum is σ = 46831008. Its totient is φ = 38921760.

The previous prime is 42871159. The next prime is 42871177. The reversal of 42871169 is 96117824.

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 42871169 - 28 = 42870913 is a prime.

It is a super-2 number, since 2×428711692 = 3675874262853122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42871159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (5853876).

Almost surely, 242871169 is an apocalyptic number.

It is an amenable number.

42871169 is a deficient number, since it is larger than the sum of its proper divisors (3959839).

42871169 is a wasteful number, since it uses less digits than its factorization.

42871169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215.

The product of its digits is 24192, while the sum is 38.

The square root of 42871169 is about 6547.6078838000. The cubic root of 42871169 is about 349.9895751997.

The spelling of 42871169 in words is "forty-two million, eight hundred seventy-one thousand, one hundred sixty-nine".

Divisors: 1 11 907 4297 9977 47267 3897379 42871169