Search a number
-
+
14356321 = 72050903
BaseRepresentation
bin110110110000…
…111101100001
31000000101011121
4312300331201
512133400241
61231412241
7233012110
oct66607541
930011147
1014356321
118116131
124984081
132c88685
141c99c77
1513d8ad1
hexdb0f61

14356321 has 4 divisors (see below), whose sum is σ = 16407232. Its totient is φ = 12305412.

The previous prime is 14356319. The next prime is 14356327. The reversal of 14356321 is 12365341.

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 not a de Polignac number, because 14356321 - 21 = 14356319 is a prime.

It is a super-2 number, since 2×143563212 = 412207905310082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14356327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025445 + ... + 1025458.

It is an arithmetic number, because the mean of its divisors is an integer number (4101808).

Almost surely, 214356321 is an apocalyptic number.

It is an amenable number.

14356321 is a deficient number, since it is larger than the sum of its proper divisors (2050911).

14356321 is an equidigital number, since it uses as much as digits as its factorization.

14356321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050910.

The product of its digits is 2160, while the sum is 25.

The square root of 14356321 is about 3788.9736077202. The cubic root of 14356321 is about 243.0418450408.

The spelling of 14356321 in words is "fourteen million, three hundred fifty-six thousand, three hundred twenty-one".

Divisors: 1 7 2050903 14356321