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14838013 = 23645131
BaseRepresentation
bin111000100110…
…100011111101
31000220211221001
4320212203331
512244304023
61250010301
7240056341
oct70464375
930824831
1014838013
118415023
124b76991
1330c69b8
141d83621
1514816ad
hexe268fd

14838013 has 4 divisors (see below), whose sum is σ = 15483168. Its totient is φ = 14192860.

The previous prime is 14838001. The next prime is 14838029. The reversal of 14838013 is 31083841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14838013 - 25 = 14837981 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 (14838113) 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, 322543 + ... + 322588.

It is an arithmetic number, because the mean of its divisors is an integer number (3870792).

Almost surely, 214838013 is an apocalyptic number.

It is an amenable number.

14838013 is a deficient number, since it is larger than the sum of its proper divisors (645155).

14838013 is an equidigital number, since it uses as much as digits as its factorization.

14838013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645154.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 14838013 is about 3852.0141484683. The cubic root of 14838013 is about 245.7302273227.

The spelling of 14838013 in words is "fourteen million, eight hundred thirty-eight thousand, thirteen".

Divisors: 1 23 645131 14838013