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213314443 = 2343215687
BaseRepresentation
bin11001011011011…
…10101110001011
3112212101111101221
430231232232023
5414102030233
633100022511
75200066666
oct1455565613
9485344357
10213314443
11aa457331
125b531a37
1335269684
142048a6dd
1513ad942d
hexcb6eb8b

213314443 has 8 divisors (see below), whose sum is σ = 227766528. Its totient is φ = 199293864.

The previous prime is 213314383. The next prime is 213314447. The reversal of 213314443 is 344413312.

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 213314443 - 225 = 179760011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213314447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106855 + ... + 108832.

It is an arithmetic number, because the mean of its divisors is an integer number (28470816).

Almost surely, 2213314443 is an apocalyptic number.

213314443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213314443 is a deficient number, since it is larger than the sum of its proper divisors (14452085).

213314443 is a wasteful number, since it uses less digits than its factorization.

213314443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215753.

The product of its digits is 3456, while the sum is 25.

The square root of 213314443 is about 14605.2881861331. The cubic root of 213314443 is about 597.5029958476.

Adding to 213314443 its reverse (344413312), we get a palindrome (557727755).

The spelling of 213314443 in words is "two hundred thirteen million, three hundred fourteen thousand, four hundred forty-three".

Divisors: 1 23 43 989 215687 4960801 9274541 213314443