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14306321 = 73195977
BaseRepresentation
bin110110100100…
…110000010001
3222220211120202
4312210300101
512130300241
61230344545
7232413251
oct66446021
928824522
1014306321
118091607
12495b155
132c6b9a3
141c85961
1513c8d9b
hexda4c11

14306321 has 4 divisors (see below), whose sum is σ = 14502372. Its totient is φ = 14110272.

The previous prime is 14306263. The next prime is 14306323. The reversal of 14306321 is 12360341.

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 7230721 + 7075600 = 2689^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 14306321 - 210 = 14305297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14306293 and 14306302.

It is not an unprimeable number, because it can be changed into a prime (14306323) 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, 97916 + ... + 98061.

It is an arithmetic number, because the mean of its divisors is an integer number (3625593).

Almost surely, 214306321 is an apocalyptic number.

It is an amenable number.

14306321 is a deficient number, since it is larger than the sum of its proper divisors (196051).

14306321 is an equidigital number, since it uses as much as digits as its factorization.

14306321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196050.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 14306321 is about 3782.3697598199. The cubic root of 14306321 is about 242.7593625643.

Adding to 14306321 its reverse (12360341), we get a palindrome (26666662).

The spelling of 14306321 in words is "fourteen million, three hundred six thousand, three hundred twenty-one".

Divisors: 1 73 195977 14306321