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14443144 = 231805393
BaseRepresentation
bin110111000110…
…001010001000
31000011210021021
4313012022020
512144140034
61233322224
7233523202
oct67061210
930153237
1014443144
118175391
124a06374
132cb9051
141cbd772
1514046b4
hexdc6288

14443144 has 8 divisors (see below), whose sum is σ = 27080910. Its totient is φ = 7221568.

The previous prime is 14443133. The next prime is 14443157. The reversal of 14443144 is 44134441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 3802500 = 3262^2 + 1950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902689 + ... + 902704.

Almost surely, 214443144 is an apocalyptic number.

It is an amenable number.

14443144 is a deficient number, since it is larger than the sum of its proper divisors (12637766).

14443144 is a wasteful number, since it uses less digits than its factorization.

14443144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805399 (or 1805395 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 14443144 is about 3800.4136616953. The cubic root of 14443144 is about 243.5308102747.

Adding to 14443144 its reverse (44134441), we get a palindrome (58577585).

The spelling of 14443144 in words is "fourteen million, four hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 1805393 3610786 7221572 14443144