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221341113 = 3371171117
BaseRepresentation
bin11010011000101…
…10010110111001
3120102111021221000
431030112112321
5423130403423
633544035213
75325240240
oct1514262671
9512437830
10221341113
11103a39944
1262162b09
1336b19c96
1421579957
1514672843
hexd3165b9

221341113 has 16 divisors (see below), whose sum is σ = 374757760. Its totient is φ = 126480528.

The previous prime is 221341069. The next prime is 221341181. The reversal of 221341113 is 311143122.

It is not a de Polignac number, because 221341113 - 213 = 221332921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221341193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585370 + ... + 585747.

It is an arithmetic number, because the mean of its divisors is an integer number (23422360).

Almost surely, 2221341113 is an apocalyptic number.

It is an amenable number.

221341113 is a deficient number, since it is larger than the sum of its proper divisors (153416647).

221341113 is a wasteful number, since it uses less digits than its factorization.

221341113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171133 (or 1171127 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 221341113 is about 14877.5371953828. The cubic root of 221341113 is about 604.9052630386.

Adding to 221341113 its reverse (311143122), we get a palindrome (532484235).

The spelling of 221341113 in words is "two hundred twenty-one million, three hundred forty-one thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 27 63 189 1171117 3513351 8197819 10540053 24593457 31620159 73780371 221341113