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14063431 = 105113381
BaseRepresentation
bin110101101001…
…011101000111
3222110111101211
4311221131013
512100012211
61221232251
7230352154
oct65513507
928414354
1014063431
117a36078
124862687
132bb5275
141c2122b
15137be21
hexd69747

14063431 has 4 divisors (see below), whose sum is σ = 14077864. Its totient is φ = 14049000.

The previous prime is 14063389. The next prime is 14063443. The reversal of 14063431 is 13436041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13436041 = 103130447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14063431 is a prime.

It is a super-2 number, since 2×140634312 = 395560182983522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14063531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5640 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (3519466).

Almost surely, 214063431 is an apocalyptic number.

14063431 is a deficient number, since it is larger than the sum of its proper divisors (14433).

14063431 is a wasteful number, since it uses less digits than its factorization.

14063431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 14063431 is about 3750.1241312789. The cubic root of 14063431 is about 241.3776726746.

Adding to 14063431 its reverse (13436041), we get a palindrome (27499472).

The spelling of 14063431 in words is "fourteen million, sixty-three thousand, four hundred thirty-one".

Divisors: 1 1051 13381 14063431