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14247444 = 2231187287
BaseRepresentation
bin110110010110…
…011000010100
3222210211211010
4312112120110
512121404234
61225212220
7232046511
oct66263024
928724733
1014247444
118051352
124931070
132c4ac53
141c6c308
1513b66e9
hexd96614

14247444 has 12 divisors (see below), whose sum is σ = 33244064. Its totient is φ = 4749144.

The previous prime is 14247437. The next prime is 14247449. The reversal of 14247444 is 44474241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14247449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593632 + ... + 593655.

Almost surely, 214247444 is an apocalyptic number.

It is an amenable number.

14247444 is an abundant number, since it is smaller than the sum of its proper divisors (18996620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14247444 is a wasteful number, since it uses less digits than its factorization.

14247444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187294 (or 1187292 counting only the distinct ones).

The product of its digits is 14336, while the sum is 30.

The square root of 14247444 is about 3774.5786519822. The cubic root of 14247444 is about 242.4258830426.

It can be divided in two parts, 142 and 47444, that added together give a triangular number (47586 = T308).

The spelling of 14247444 in words is "fourteen million, two hundred forty-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 1187287 2374574 3561861 4749148 7123722 14247444