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14018405 = 52839907
BaseRepresentation
bin110101011110…
…011101100101
3222101012122012
4311132131211
512042042110
61220244005
7230103662
oct65363545
928335565
1014018405
117a05265
124840605
132b9a91b
141c0ca69
15136d905
hexd5e765

14018405 has 8 divisors (see below), whose sum is σ = 16883232. Its totient is φ = 11173968.

The previous prime is 14018399. The next prime is 14018413. The reversal of 14018405 is 50481041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14018405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3539 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (2110404).

Almost surely, 214018405 is an apocalyptic number.

It is an amenable number.

14018405 is a deficient number, since it is larger than the sum of its proper divisors (2864827).

14018405 is an equidigital number, since it uses as much as digits as its factorization.

14018405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 14018405 is about 3744.1160505519. The cubic root of 14018405 is about 241.1197960460.

Adding to 14018405 its reverse (50481041), we get a palindrome (64499446).

The spelling of 14018405 in words is "fourteen million, eighteen thousand, four hundred five".

Divisors: 1 5 283 1415 9907 49535 2803681 14018405