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14140047 = 319248071
BaseRepresentation
bin110101111100…
…001010001111
3222121101111110
4311330022033
512104440142
61223023103
7231121425
oct65741217
928541443
1014140047
117a88699
12489aa93
132c110bc
141c41115
15139499c
hexd7c28f

14140047 has 8 divisors (see below), whose sum is σ = 19845760. Its totient is φ = 8930520.

The previous prime is 14140043. The next prime is 14140051. The reversal of 14140047 is 74004141.

It is an interprime number because it is at equal distance from previous prime (14140043) and next prime (14140051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14140047 - 22 = 14140043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140043) 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, 123979 + ... + 124092.

It is an arithmetic number, because the mean of its divisors is an integer number (2480720).

Almost surely, 214140047 is an apocalyptic number.

14140047 is a deficient number, since it is larger than the sum of its proper divisors (5705713).

14140047 is a wasteful number, since it uses less digits than its factorization.

14140047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248093.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 14140047 is about 3760.3253848570. The cubic root of 14140047 is about 241.8152119383.

Adding to 14140047 its reverse (74004141), we get a palindrome (88144188).

The spelling of 14140047 in words is "fourteen million, one hundred forty thousand, forty-seven".

Divisors: 1 3 19 57 248071 744213 4713349 14140047