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14148309 = 372109883
BaseRepresentation
bin110101111110…
…001011010101
3222121210211110
4311332023111
512110221214
61223125233
7231154500
oct65761325
928553743
1014148309
117a9391a
1248a3819
132c14aa6
141c44137
151397159
hexd7e2d5

14148309 has 24 divisors (see below), whose sum is σ = 22170720. Its totient is φ = 8001504.

The previous prime is 14148257. The next prime is 14148311. The reversal of 14148309 is 90384141.

It is a happy number.

It is not a de Polignac number, because 14148309 - 28 = 14148053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14148359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15582 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (923780).

Almost surely, 214148309 is an apocalyptic number.

It is an amenable number.

14148309 is a deficient number, since it is larger than the sum of its proper divisors (8022411).

14148309 is a wasteful number, since it uses less digits than its factorization.

14148309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 14148309 is about 3761.4237995738. The cubic root of 14148309 is about 241.8623001431.

The spelling of 14148309 in words is "fourteen million, one hundred forty-eight thousand, three hundred nine".

Divisors: 1 3 7 21 49 109 147 327 763 883 2289 2649 5341 6181 16023 18543 43267 96247 129801 288741 673729 2021187 4716103 14148309