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111017072 = 2417616691
BaseRepresentation
bin1101001110111…
…11110001110000
321201220020210102
412213133301300
5211410021242
615003251532
72515425635
oct647376160
9251806712
10111017072
1157736851
1231219ba8
131a00029a
1410a5c18c
159b2de32
hex69dfc70

111017072 has 40 divisors (see below), whose sum is σ = 231516432. Its totient is φ = 51379200.

The previous prime is 111017063. The next prime is 111017077. The reversal of 111017072 is 270710111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111017077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13247 + ... + 19937.

Almost surely, 2111017072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111017072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115758216).

111017072 is an abundant number, since it is smaller than the sum of its proper divisors (120499360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111017072 is a wasteful number, since it uses less digits than its factorization.

111017072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777 (or 6771 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 111017072 is about 10536.4639229677. The cubic root of 111017072 is about 480.6141906206.

Adding to 111017072 its reverse (270710111), we get a palindrome (381727183).

The spelling of 111017072 in words is "one hundred eleven million, seventeen thousand, seventy-two".

Divisors: 1 2 4 8 16 17 34 61 68 122 136 244 272 488 976 1037 2074 4148 6691 8296 13382 16592 26764 53528 107056 113747 227494 408151 454988 816302 909976 1632604 1819952 3265208 6530416 6938567 13877134 27754268 55508536 111017072