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111107227 = 71123431459
BaseRepresentation
bin1101001111101…
…01110010011011
321202001211110111
412213311302123
5211420412402
615005225151
72516252530
oct647656233
9252054414
10111107227
1157798560
12312621b7
131a03232a
1410a82d87
159b4a9d7
hex69f5c9b

111107227 has 32 divisors (see below), whose sum is σ = 148008960. Its totient is φ = 80831520.

The previous prime is 111107219. The next prime is 111107237. The reversal of 111107227 is 722701111.

It is not a de Polignac number, because 111107227 - 23 = 111107219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111107198 and 111107207.

It is not an unprimeable number, because it can be changed into a prime (111107237) 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 31 ways as a sum of consecutive naturals, for example, 75424 + ... + 76882.

It is an arithmetic number, because the mean of its divisors is an integer number (4625280).

Almost surely, 2111107227 is an apocalyptic number.

111107227 is a deficient number, since it is larger than the sum of its proper divisors (36901733).

111107227 is a wasteful number, since it uses less digits than its factorization.

111107227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 111107227 is about 10540.7412927175. The cubic root of 111107227 is about 480.7442548463.

Adding to 111107227 its reverse (722701111), we get a palindrome (833808338).

The spelling of 111107227 in words is "one hundred eleven million, one hundred seven thousand, two hundred twenty-seven".

Divisors: 1 7 11 23 43 77 161 253 301 473 989 1459 1771 3311 6923 10213 10879 16049 33557 62737 76153 112343 234899 369127 439159 690107 1442951 2583889 4830749 10100657 15872461 111107227