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14427109 = 31346093
BaseRepresentation
bin110111000010…
…001111100101
31000010222021101
4313002033211
512143131414
61233120101
7233425354
oct67021745
930128241
1014427109
118164334
1249b9031
132cb1968
141cb799b
1513eea74
hexdc23e5

14427109 has 4 divisors (see below), whose sum is σ = 14473516. Its totient is φ = 14380704.

The previous prime is 14427103. The next prime is 14427113. The reversal of 14427109 is 90172441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 11937025 = 1578^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 14427109 - 213 = 14418917 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 (14427103) 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, 22734 + ... + 23359.

It is an arithmetic number, because the mean of its divisors is an integer number (3618379).

Almost surely, 214427109 is an apocalyptic number.

It is an amenable number.

14427109 is a deficient number, since it is larger than the sum of its proper divisors (46407).

14427109 is an equidigital number, since it uses as much as digits as its factorization.

14427109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46406.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 14427109 is about 3798.3034370624. The cubic root of 14427109 is about 243.4406530215.

The spelling of 14427109 in words is "fourteen million, four hundred twenty-seven thousand, one hundred nine".

Divisors: 1 313 46093 14427109