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214214321 = 10710918367
BaseRepresentation
bin11001100010010…
…10011010110001
3112221002012210202
430301022122301
5414314324241
633131204545
75210535356
oct1461123261
9487065722
10214214321
11aaa11432
125b8a6755
13354c3149
142064262d
1513c15d9b
hexcc4a6b1

214214321 has 8 divisors (see below), whose sum is σ = 218211840. Its totient is φ = 210253968.

The previous prime is 214214311. The next prime is 214214323. The reversal of 214214321 is 123412412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214214321 - 26 = 214214257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214214293 and 214214302.

It is not an unprimeable number, because it can be changed into a prime (214214323) 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 7 ways as a sum of consecutive naturals, for example, 2480 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (27276480).

Almost surely, 2214214321 is an apocalyptic number.

It is an amenable number.

214214321 is a deficient number, since it is larger than the sum of its proper divisors (3997519).

214214321 is a wasteful number, since it uses less digits than its factorization.

214214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18583.

The product of its digits is 384, while the sum is 20.

The square root of 214214321 is about 14636.0623461367. The cubic root of 214214321 is about 598.3420162215.

Adding to 214214321 its reverse (123412412), we get a palindrome (337626733).

The spelling of 214214321 in words is "two hundred fourteen million, two hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 107 109 11663 18367 1965269 2002003 214214321