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14148839 = 29487891
BaseRepresentation
bin110101111110…
…010011100111
3222121211120002
4311332103213
512110230324
61223131515
7231156155
oct65762347
928554502
1014148839
117a94261
1248a3b9b
132c150c3
141c443d5
1513973ae
hexd7e4e7

14148839 has 4 divisors (see below), whose sum is σ = 14636760. Its totient is φ = 13660920.

The previous prime is 14148829. The next prime is 14148847. The reversal of 14148839 is 93884141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14148839 - 28 = 14148583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14148829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243917 + ... + 243974.

It is an arithmetic number, because the mean of its divisors is an integer number (3659190).

Almost surely, 214148839 is an apocalyptic number.

14148839 is a deficient number, since it is larger than the sum of its proper divisors (487921).

14148839 is an equidigital number, since it uses as much as digits as its factorization.

14148839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487920.

The product of its digits is 27648, while the sum is 38.

The square root of 14148839 is about 3761.4942509593. The cubic root of 14148839 is about 241.8653201841.

The spelling of 14148839 in words is "fourteen million, one hundred forty-eight thousand, eight hundred thirty-nine".

Divisors: 1 29 487891 14148839