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14140531 = 411931787
BaseRepresentation
bin110101111100…
…010001110011
3222121102011101
4311330101303
512104444111
61223025231
7231123016
oct65742163
928542141
1014140531
117a88a99
12489b217
132c113a2
141c4137d
151394bc1
hexd7c473

14140531 has 8 divisors (see below), whose sum is σ = 14568624. Its totient is φ = 13716480.

The previous prime is 14140517. The next prime is 14140543. The reversal of 14140531 is 13504141.

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 14140531 - 217 = 14009459 is a prime.

It is a super-2 number, since 2×141405312 = 399909233923922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14140499 and 14140508.

It is not an unprimeable number, because it can be changed into a prime (14140591) 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, 7020 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (1821078).

Almost surely, 214140531 is an apocalyptic number.

14140531 is a deficient number, since it is larger than the sum of its proper divisors (428093).

14140531 is a wasteful number, since it uses less digits than its factorization.

14140531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 14140531 is about 3760.3897404391. The cubic root of 14140531 is about 241.8179709396.

Adding to 14140531 its reverse (13504141), we get a palindrome (27644672).

The spelling of 14140531 in words is "fourteen million, one hundred forty thousand, five hundred thirty-one".

Divisors: 1 41 193 1787 7913 73267 344891 14140531