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113411221 = 7114013673
BaseRepresentation
bin1101100001010…
…00010010010101
321220101212221121
412300220102111
5213013124341
615130443541
72544656650
oct660502225
9256355847
10113411221
1159021590
1231b935b1
131a65ac41
14110c2897
159e534d1
hex6c28495

113411221 has 16 divisors (see below), whose sum is σ = 141787008. Its totient is φ = 88128000.

The previous prime is 113411213. The next prime is 113411227. The reversal of 113411221 is 122114311.

It is a cyclic number.

It is not a de Polignac number, because 113411221 - 23 = 113411213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113411195 and 113411204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113411227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29041 + ... + 32713.

It is an arithmetic number, because the mean of its divisors is an integer number (8861688).

Almost surely, 2113411221 is an apocalyptic number.

113411221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113411221 is a deficient number, since it is larger than the sum of its proper divisors (28375787).

113411221 is a wasteful number, since it uses less digits than its factorization.

113411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092.

The product of its digits is 48, while the sum is 16.

The square root of 113411221 is about 10649.4704563185. The cubic root of 113411221 is about 484.0445582569.

Adding to 113411221 its reverse (122114311), we get a palindrome (235525532).

The spelling of 113411221 in words is "one hundred thirteen million, four hundred eleven thousand, two hundred twenty-one".

Divisors: 1 7 11 77 401 2807 3673 4411 25711 30877 40403 282821 1472873 10310111 16201603 113411221