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213304111 = 1132298243
BaseRepresentation
bin11001011011011…
…00001100101111
3112212100222020021
430231230030233
5414101212421
633055503011
75200024606
oct1455541457
9485328207
10213304111
11aa44a599
125b527a67
1335264a67
1420486a3d
1513ad6341
hexcb6c32f

213304111 has 8 divisors (see below), whose sum is σ = 216157680. Its totient is φ = 210467712.

The previous prime is 213304109. The next prime is 213304121. The reversal of 213304111 is 111403312.

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 213304111 - 21 = 213304109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213304121) 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, 21756 + ... + 29998.

It is an arithmetic number, because the mean of its divisors is an integer number (27019710).

Almost surely, 2213304111 is an apocalyptic number.

213304111 is a deficient number, since it is larger than the sum of its proper divisors (2853569).

213304111 is a wasteful number, since it uses less digits than its factorization.

213304111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 213304111 is about 14604.9344743480. The cubic root of 213304111 is about 597.4933488986.

Adding to 213304111 its reverse (111403312), we get a palindrome (324707423).

The spelling of 213304111 in words is "two hundred thirteen million, three hundred four thousand, one hundred eleven".

Divisors: 1 113 229 8243 25877 931459 1887647 213304111