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14544421 = 711271613
BaseRepresentation
bin110111011110…
…111000100101
31000100221012021
4313132320211
512210410141
61235423141
7234424363
oct67367045
930327167
1014544421
118234491
124a54ab1
133023188
141d08633
1514246d1
hexddee25

14544421 has 8 divisors (see below), whose sum is σ = 14874624. Its totient is φ = 14217840.

The previous prime is 14544407. The next prime is 14544437. The reversal of 14544421 is 12444541.

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

It is a cyclic number.

It is not a de Polignac number, because 14544421 - 213 = 14536229 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 (14544451) 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, 8211 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (1859328).

Almost surely, 214544421 is an apocalyptic number.

It is an amenable number.

14544421 is a deficient number, since it is larger than the sum of its proper divisors (330203).

14544421 is a wasteful number, since it uses less digits than its factorization.

14544421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its digits is 2560, while the sum is 25.

The square root of 14544421 is about 3813.7148556231. The cubic root of 14544421 is about 244.0987070406.

Adding to 14544421 its reverse (12444541), we get a palindrome (26988962).

The spelling of 14544421 in words is "fourteen million, five hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 71 127 1613 9017 114523 204851 14544421