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14439938 = 226872
BaseRepresentation
bin110111000101…
…011000000010
31000011121212112
4313011120002
512144034223
61233255322
7233510642
oct67053002
930147775
1014439938
118172a37
124a04542
132cb7756
141cbc522
151403778
hexdc5602

14439938 has 6 divisors (see below), whose sum is σ = 21667971. Its totient is φ = 7217282.

The previous prime is 14439917. The next prime is 14439947. The reversal of 14439938 is 83993441.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 7219969 = 2687^2 + 2687^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2687.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14439895 and 14439904.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4031 + ... + 6717.

Almost surely, 214439938 is an apocalyptic number.

14439938 is a deficient number, since it is larger than the sum of its proper divisors (7228033).

14439938 is an frugal number, since it uses more digits than its factorization.

14439938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376 (or 2689 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 14439938 is about 3799.9918420965. The cubic root of 14439938 is about 243.5127897856.

Multiplying 14439938 by its product of digits (93312), we get a square (1347419494656 = 11607842).

The spelling of 14439938 in words is "fourteen million, four hundred thirty-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 2687 5374 7219969 14439938