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14131071 = 333116883
BaseRepresentation
bin110101111001…
…111101111111
3222120221012000
4311321331333
512104143241
61222513343
7231053313
oct65717577
928527160
1014131071
117a81979
124895853
132c09ca6
141c3bb43
151391eb6
hexd79f7f

14131071 has 16 divisors (see below), whose sum is σ = 21611520. Its totient is φ = 9116280.

The previous prime is 14131043. The next prime is 14131081. The reversal of 14131071 is 17013141.

It is not a de Polignac number, because 14131071 - 215 = 14098303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1350720).

Almost surely, 214131071 is an apocalyptic number.

14131071 is a deficient number, since it is larger than the sum of its proper divisors (7480449).

14131071 is a wasteful number, since it uses less digits than its factorization.

14131071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923 (or 16917 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 14131071 is about 3759.1316816520. The cubic root of 14131071 is about 241.7640335892.

The spelling of 14131071 in words is "fourteen million, one hundred thirty-one thousand, seventy-one".

Divisors: 1 3 9 27 31 93 279 837 16883 50649 151947 455841 523373 1570119 4710357 14131071