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42718371 = 3531731553
BaseRepresentation
bin1010001011110…
…1010010100011
32222101022120220
42202331102203
541413441441
64123334123
71026046233
oct242752243
988338526
1042718371
1122127a43
1212381343
138b08c57
14595dcc3
153b3c466
hex28bd4a3

42718371 has 16 divisors (see below), whose sum is σ = 58405536. Its totient is φ = 27762176.

The previous prime is 42718367. The next prime is 42718397. The reversal of 42718371 is 17381724.

It is a happy number.

42718371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42718371 - 22 = 42718367 is a prime.

It is a super-3 number, since 3×427183713 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42718321) 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 15 ways as a sum of consecutive naturals, for example, 26731 + ... + 28283.

It is an arithmetic number, because the mean of its divisors is an integer number (3650346).

Almost surely, 242718371 is an apocalyptic number.

42718371 is a deficient number, since it is larger than the sum of its proper divisors (15687165).

42718371 is a wasteful number, since it uses less digits than its factorization.

42718371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 9408, while the sum is 33.

The square root of 42718371 is about 6535.9292376830. The cubic root of 42718371 is about 349.5732785904.

The spelling of 42718371 in words is "forty-two million, seven hundred eighteen thousand, three hundred seventy-one".

Divisors: 1 3 53 159 173 519 1553 4659 9169 27507 82309 246927 268669 806007 14239457 42718371