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14148973 = 129710909
BaseRepresentation
bin110101111110…
…010101101101
3222121211202001
4311332111231
512110231343
61223132301
7231156436
oct65762555
928554661
1014148973
117a94373
1248a4091
132c15197
141c4448d
15139744d
hexd7e56d

14148973 has 4 divisors (see below), whose sum is σ = 14161180. Its totient is φ = 14136768.

The previous prime is 14148971. The next prime is 14148991. The reversal of 14148973 is 37984141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10156969 + 3992004 = 3187^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 14148973 - 21 = 14148971 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 (14148971) 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, 4158 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (3540295).

Almost surely, 214148973 is an apocalyptic number.

It is an amenable number.

14148973 is a deficient number, since it is larger than the sum of its proper divisors (12207).

14148973 is a wasteful number, since it uses less digits than its factorization.

14148973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12206.

The product of its digits is 24192, while the sum is 37.

The square root of 14148973 is about 3761.5120629874. The cubic root of 14148973 is about 241.8660837297.

The spelling of 14148973 in words is "fourteen million, one hundred forty-eight thousand, nine hundred seventy-three".

Divisors: 1 1297 10909 14148973