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14445138 = 2317141619
BaseRepresentation
bin110111000110…
…101001010010
31000011220000010
4313012221102
512144221023
61233335350
7233532051
oct67065122
930156003
1014445138
118176934
124a07556
132cb9c26
141cc0398
151405093
hexdc6a52

14445138 has 16 divisors (see below), whose sum is σ = 30589920. Its totient is φ = 4531776.

The previous prime is 14445131. The next prime is 14445157. The reversal of 14445138 is 83154441.

14445138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14445131) 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, 70708 + ... + 70911.

It is an arithmetic number, because the mean of its divisors is an integer number (1911870).

Almost surely, 214445138 is an apocalyptic number.

14445138 is an abundant number, since it is smaller than the sum of its proper divisors (16144782).

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

14445138 is a wasteful number, since it uses less digits than its factorization.

14445138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141641.

The product of its digits is 7680, while the sum is 30.

The square root of 14445138 is about 3800.6759925045. The cubic root of 14445138 is about 243.5420169319.

Adding to 14445138 its reverse (83154441), we get a palindrome (97599579).

The spelling of 14445138 in words is "fourteen million, four hundred forty-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 141619 283238 424857 849714 2407523 4815046 7222569 14445138