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14479109 = 41353149
BaseRepresentation
bin110111001110…
…111100000101
31000020121121022
4313032330011
512201312414
61234200525
7234033101
oct67167405
930217538
1014479109
11819a407
124a23145
132ccc528
141ccc901
15141018e
hexdcef05

14479109 has 4 divisors (see below), whose sum is σ = 14832300. Its totient is φ = 14125920.

The previous prime is 14479079. The next prime is 14479117. The reversal of 14479109 is 90197441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90197441 = 409322037.

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 12802084 = 1295^2 + 3578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14479109 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 (14479909) 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, 176534 + ... + 176615.

It is an arithmetic number, because the mean of its divisors is an integer number (3708075).

Almost surely, 214479109 is an apocalyptic number.

It is an amenable number.

14479109 is a deficient number, since it is larger than the sum of its proper divisors (353191).

14479109 is an equidigital number, since it uses as much as digits as its factorization.

14479109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353190.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14479109 is about 3805.1424414863. The cubic root of 14479109 is about 243.7327821281.

The spelling of 14479109 in words is "fourteen million, four hundred seventy-nine thousand, one hundred nine".

Divisors: 1 41 353149 14479109