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14147387 = 43329009
BaseRepresentation
bin110101111101…
…111100111011
3222121202120022
4311331330323
512110204022
61223121055
7231152012
oct65757473
928552508
1014147387
117a93161
1248a318b
132c14547
141c43a79
151396c42
hexd7df3b

14147387 has 4 divisors (see below), whose sum is σ = 14476440. Its totient is φ = 13818336.

The previous prime is 14147347. The next prime is 14147407. The reversal of 14147387 is 78374141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14147387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14147317) 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, 164462 + ... + 164547.

It is an arithmetic number, because the mean of its divisors is an integer number (3619110).

Almost surely, 214147387 is an apocalyptic number.

14147387 is a deficient number, since it is larger than the sum of its proper divisors (329053).

14147387 is an equidigital number, since it uses as much as digits as its factorization.

14147387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329052.

The product of its digits is 18816, while the sum is 35.

The square root of 14147387 is about 3761.3012376038. The cubic root of 14147387 is about 241.8570462317.

The spelling of 14147387 in words is "fourteen million, one hundred forty-seven thousand, three hundred eighty-seven".

Divisors: 1 43 329009 14147387