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214203331 = 892406779
BaseRepresentation
bin11001100010001…
…11101111000011
3112221001122201201
430301013233003
5414314001311
633131042031
75210461336
oct1461075703
9487048651
10214203331
11aaa04151
125b8a0317
13354bb144
142063c61d
1513c129c1
hexcc47bc3

214203331 has 4 divisors (see below), whose sum is σ = 216610200. Its totient is φ = 211796464.

The previous prime is 214203317. The next prime is 214203343. The reversal of 214203331 is 133302412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214203331 - 213 = 214195139 is a prime.

It is a super-2 number, since 2×2142033312 = 91766134022991122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214203299 and 214203308.

It is not an unprimeable number, because it can be changed into a prime (214203371) 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, 1203301 + ... + 1203478.

It is an arithmetic number, because the mean of its divisors is an integer number (54152550).

Almost surely, 2214203331 is an apocalyptic number.

214203331 is a deficient number, since it is larger than the sum of its proper divisors (2406869).

214203331 is an equidigital number, since it uses as much as digits as its factorization.

214203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406868.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 214203331 is about 14635.6868988100. The cubic root of 214203331 is about 598.3317836483.

Adding to 214203331 its reverse (133302412), we get a palindrome (347505743).

The spelling of 214203331 in words is "two hundred fourteen million, two hundred three thousand, three hundred thirty-one".

Divisors: 1 89 2406779 214203331