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111107020 = 22523241537
BaseRepresentation
bin1101001111101…
…01101111001100
321202001211011211
412213311233030
5211420411040
615005224204
72516252113
oct647655714
9252054154
10111107020
1157798392
1231262064
131a0321cb
1410a82c7a
159b4a8ea
hex69f5bcc

111107020 has 24 divisors (see below), whose sum is σ = 243470304. Its totient is φ = 42510336.

The previous prime is 111106987. The next prime is 111107039. The reversal of 111107020 is 20701111.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120309 + ... + 121228.

It is an arithmetic number, because the mean of its divisors is an integer number (10144596).

Almost surely, 2111107020 is an apocalyptic number.

111107020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111107020 is an abundant number, since it is smaller than the sum of its proper divisors (132363284).

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

111107020 is a wasteful number, since it uses less digits than its factorization.

111107020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241569 (or 241567 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 111107020 is about 10540.7314736692. The cubic root of 111107020 is about 480.7439562935.

Adding to 111107020 its reverse (20701111), we get a palindrome (131808131).

The spelling of 111107020 in words is "one hundred eleven million, one hundred seven thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 241537 483074 966148 1207685 2415370 4830740 5555351 11110702 22221404 27776755 55553510 111107020