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42693871 = 119740013
BaseRepresentation
bin1010001011011…
…1010011101111
32222100001222111
42202313103233
541412200441
64123024451
71025614633
oct242672357
988301874
1042693871
11221105a0
121236b127
138acaa5c
145954dc3
153b35081
hex28b74ef

42693871 has 8 divisors (see below), whose sum is σ = 47056464. Its totient is φ = 38411520.

The previous prime is 42693869. The next prime is 42693881. The reversal of 42693871 is 17839624.

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 42693871 - 21 = 42693869 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 (42693841) 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, 18940 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (5882058).

Almost surely, 242693871 is an apocalyptic number.

42693871 is a deficient number, since it is larger than the sum of its proper divisors (4362593).

42693871 is a wasteful number, since it uses less digits than its factorization.

42693871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40121.

The product of its digits is 72576, while the sum is 40.

The square root of 42693871 is about 6534.0547135756. The cubic root of 42693871 is about 349.5064362853.

The spelling of 42693871 in words is "forty-two million, six hundred ninety-three thousand, eight hundred seventy-one".

Divisors: 1 11 97 1067 40013 440143 3881261 42693871