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14136287 = 111285117
BaseRepresentation
bin110101111011…
…001111011111
3222121012100012
4311323033133
512104330122
61222553435
7231104444
oct65731737
928535305
1014136287
117a85890
12489887b
132c0c489
141c3d9cb
1513937e2
hexd7b3df

14136287 has 4 divisors (see below), whose sum is σ = 15421416. Its totient is φ = 12851160.

The previous prime is 14136277. The next prime is 14136289. The reversal of 14136287 is 78263141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14136287 - 24 = 14136271 is a prime.

It is a super-2 number, since 2×141362872 = 399669220292738, 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 (14136289) 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, 642548 + ... + 642569.

It is an arithmetic number, because the mean of its divisors is an integer number (3855354).

Almost surely, 214136287 is an apocalyptic number.

14136287 is a deficient number, since it is larger than the sum of its proper divisors (1285129).

14136287 is a wasteful number, since it uses less digits than its factorization.

14136287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285128.

The product of its digits is 8064, while the sum is 32.

The square root of 14136287 is about 3759.8253948821. The cubic root of 14136287 is about 241.7937762292.

The spelling of 14136287 in words is "fourteen million, one hundred thirty-six thousand, two hundred eighty-seven".

Divisors: 1 11 1285117 14136287