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214324243 = 7154319843
BaseRepresentation
bin11001100011001…
…01010000010011
3112221021210120221
430301211100103
5414331333433
633133413511
75211504010
oct1461452023
9487253527
10214324243
11aaa86a81
125b93a297
13355311a3
1420670707
1513c3872d
hexcc65413

214324243 has 8 divisors (see below), whose sum is σ = 245113088. Its totient is φ = 183578184.

The previous prime is 214324217. The next prime is 214324267. The reversal of 214324243 is 342423412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214324243 is a prime.

It is a super-2 number, since 2×2143242432 = 91869762275046098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214324273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880 + ... + 20722.

It is an arithmetic number, because the mean of its divisors is an integer number (30639136).

Almost surely, 2214324243 is an apocalyptic number.

214324243 is a deficient number, since it is larger than the sum of its proper divisors (30788845).

214324243 is a wasteful number, since it uses less digits than its factorization.

214324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393.

The product of its digits is 4608, while the sum is 25.

The square root of 214324243 is about 14639.8170412065. The cubic root of 214324243 is about 598.4443431872. Note that the first 3 decimals are identical.

Adding to 214324243 its reverse (342423412), we get a palindrome (556747655).

The spelling of 214324243 in words is "two hundred fourteen million, three hundred twenty-four thousand, two hundred forty-three".

Divisors: 1 7 1543 10801 19843 138901 30617749 214324243