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213340111 = 2334726731
BaseRepresentation
bin11001011011101…
…00111111001111
3112212102210121121
430231310333033
5414103340421
633100341411
75200234555
oct1455647717
9485383547
10213340111
11aa474646
125b544867
133527826a
1420495bd5
1513ae1d41
hexcb74fcf

213340111 has 8 divisors (see below), whose sum is σ = 223265664. Its totient is φ = 203468760.

The previous prime is 213340103. The next prime is 213340117. The reversal of 213340111 is 111043312.

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 213340111 - 23 = 213340103 is a prime.

It is a super-2 number, since 2×2133401112 = 91028005922984642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5385 + ... + 21346.

It is an arithmetic number, because the mean of its divisors is an integer number (27908208).

Almost surely, 2213340111 is an apocalyptic number.

213340111 is a deficient number, since it is larger than the sum of its proper divisors (9925553).

213340111 is a wasteful number, since it uses less digits than its factorization.

213340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27101.

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

The square root of 213340111 is about 14606.1668825192. The cubic root of 213340111 is about 597.5269606130.

Adding to 213340111 its reverse (111043312), we get a palindrome (324383423).

The spelling of 213340111 in words is "two hundred thirteen million, three hundred forty thousand, one hundred eleven".

Divisors: 1 23 347 7981 26731 614813 9275657 213340111