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42357471 = 3131086089
BaseRepresentation
bin1010000110010…
…1001011011111
32221200222112020
42201211023133
541320414341
64111511223
71023014112
oct241451337
987628466
1042357471
1121a00882
1212228513
138a108c0
1458a8579
153aba566
hex28652df

42357471 has 8 divisors (see below), whose sum is σ = 60821040. Its totient is φ = 26066112.

The previous prime is 42357461. The next prime is 42357499. The reversal of 42357471 is 17475324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42357471 - 26 = 42357407 is a prime.

It is a super-3 number, since 3×423574713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357401) 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, 543006 + ... + 543083.

It is an arithmetic number, because the mean of its divisors is an integer number (7602630).

Almost surely, 242357471 is an apocalyptic number.

42357471 is a deficient number, since it is larger than the sum of its proper divisors (18463569).

42357471 is a wasteful number, since it uses less digits than its factorization.

42357471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086105.

The product of its digits is 23520, while the sum is 33.

The square root of 42357471 is about 6508.2617494996. The cubic root of 42357471 is about 348.5860533865.

The spelling of 42357471 in words is "forty-two million, three hundred fifty-seven thousand, four hundred seventy-one".

Divisors: 1 3 13 39 1086089 3258267 14119157 42357471