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212224103 = 71313991667
BaseRepresentation
bin11001010011001…
…00100001100111
3112210100002201222
430221210201213
5413312132403
633020410555
75154606110
oct1451444147
9483302658
10212224103
11a9882123
125b0a6a5b
1334c772c0
1420285207
1513971338
hexca64867

212224103 has 16 divisors (see below), whose sum is σ = 261542400. Its totient is φ = 167692896.

The previous prime is 212224087. The next prime is 212224123. The reversal of 212224103 is 301422212.

It is not a de Polignac number, because 212224103 - 24 = 212224087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126476 + ... + 128142.

It is an arithmetic number, because the mean of its divisors is an integer number (16346400).

Almost surely, 2212224103 is an apocalyptic number.

212224103 is a deficient number, since it is larger than the sum of its proper divisors (49318297).

212224103 is a wasteful number, since it uses less digits than its factorization.

212224103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212224103 is about 14567.9134744822. The cubic root of 212224103 is about 596.4832265205.

Adding to 212224103 its reverse (301422212), we get a palindrome (513646315).

The spelling of 212224103 in words is "two hundred twelve million, two hundred twenty-four thousand, one hundred three".

Divisors: 1 7 13 91 1399 1667 9793 11669 18187 21671 127309 151697 2332133 16324931 30317729 212224103