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14439972 = 2231203331
BaseRepresentation
bin110111000101…
…011000100100
31000011121220210
4313011120210
512144034342
61233255420
7233511021
oct67053044
930147823
1014439972
118172a68
124a04570
132cb7781
141cbc548
15140379c
hexdc5624

14439972 has 12 divisors (see below), whose sum is σ = 33693296. Its totient is φ = 4813320.

The previous prime is 14439967. The next prime is 14439973. The reversal of 14439972 is 27993441.

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

It is a self number, because there is not a number n which added to its sum of digits gives 14439972.

It is not an unprimeable number, because it can be changed into a prime (14439973) 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, 601654 + ... + 601677.

Almost surely, 214439972 is an apocalyptic number.

14439972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14439972 is an abundant number, since it is smaller than the sum of its proper divisors (19253324).

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

14439972 is a wasteful number, since it uses less digits than its factorization.

14439972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203338 (or 1203336 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 14439972 is about 3799.9963157877. The cubic root of 14439972 is about 243.5129809090.

The spelling of 14439972 in words is "fourteen million, four hundred thirty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 1203331 2406662 3609993 4813324 7219986 14439972