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214225321 = 571137511
BaseRepresentation
bin11001100010011…
…01000110101001
3112221002202220011
430301031012221
5414320202241
633131331521
75210612422
oct1461150651
9487082804
10214225321
11aaa19722
125b8b0ba1
13354c815b
1420646649
1513c19281
hexcc4d1a9

214225321 has 4 divisors (see below), whose sum is σ = 214268544. Its totient is φ = 214182100.

The previous prime is 214225309. The next prime is 214225337. The reversal of 214225321 is 123522412.

It is a happy number.

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 214225321 - 217 = 214094249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214225292 and 214225301.

It is not an unprimeable number, because it can be changed into a prime (214229321) 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, 13045 + ... + 24466.

It is an arithmetic number, because the mean of its divisors is an integer number (53567136).

Almost surely, 2214225321 is an apocalyptic number.

It is an amenable number.

214225321 is a deficient number, since it is larger than the sum of its proper divisors (43223).

214225321 is an equidigital number, since it uses as much as digits as its factorization.

214225321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43222.

The product of its digits is 960, while the sum is 22.

The square root of 214225321 is about 14636.4381254457. The cubic root of 214225321 is about 598.3522577552.

Adding to 214225321 its reverse (123522412), we get a palindrome (337747733).

The spelling of 214225321 in words is "two hundred fourteen million, two hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 5711 37511 214225321