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14255047 = 23815987
BaseRepresentation
bin110110011000…
…001111000111
3222211020020201
4312120033013
512122130142
61225311331
7232110622
oct66301707
928736221
1014255047
118057034
124935547
132c51551
141c70db9
1513b8ab7
hexd983c7

14255047 has 4 divisors (see below), whose sum is σ = 14263416. Its totient is φ = 14246680.

The previous prime is 14255011. The next prime is 14255069. The reversal of 14255047 is 74055241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14255047 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 (14252047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (3565854).

Almost surely, 214255047 is an apocalyptic number.

14255047 is a deficient number, since it is larger than the sum of its proper divisors (8369).

14255047 is an equidigital number, since it uses as much as digits as its factorization.

14255047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 14255047 is about 3775.5856499356. The cubic root of 14255047 is about 242.4689980561.

The spelling of 14255047 in words is "fourteen million, two hundred fifty-five thousand, forty-seven".

Divisors: 1 2381 5987 14255047