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14008321 = 87715973
BaseRepresentation
bin110101011100…
…000000000001
3222100200210201
4311130000001
512041231241
61220125201
7230032405
oct65340001
928320721
1014008321
1179a8728
124836801
132b96162
141c09105
15136a931
hexd5c001

14008321 has 4 divisors (see below), whose sum is σ = 14025172. Its totient is φ = 13991472.

The previous prime is 14008307. The next prime is 14008327. The reversal of 14008321 is 12380041.

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 11155600 + 2852721 = 3340^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 14008321 - 211 = 14006273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14008327) 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, 7110 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (3506293).

It is a Proth number, since it is equal to 855 ⋅ 214 + 1 and 855 < 214.

Almost surely, 214008321 is an apocalyptic number.

It is an amenable number.

14008321 is a deficient number, since it is larger than the sum of its proper divisors (16851).

14008321 is an equidigital number, since it uses as much as digits as its factorization.

14008321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 14008321 is about 3742.7691619976. The cubic root of 14008321 is about 241.0619664696.

Adding to 14008321 its reverse (12380041), we get a palindrome (26388362).

The spelling of 14008321 in words is "fourteen million, eight thousand, three hundred twenty-one".

Divisors: 1 877 15973 14008321