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111140230 = 25371392161
BaseRepresentation
bin1101001111111…
…01110110000110
321202010111201211
412213331312012
5211422441410
615010042034
72516450665
oct647756606
9252114654
10111140230
1157810333
123127931a
131a044366
1410a90ddc
159b5568a
hex69fdd86

111140230 has 32 divisors (see below), whose sum is σ = 207033120. Its totient is φ = 42923520.

The previous prime is 111140221. The next prime is 111140243. The reversal of 111140230 is 32041111.

It is a self number, because there is not a number n which added to its sum of digits gives 111140230.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 50350 + ... + 52510.

It is an arithmetic number, because the mean of its divisors is an integer number (6469785).

Almost surely, 2111140230 is an apocalyptic number.

111140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111140230 is a deficient number, since it is larger than the sum of its proper divisors (95892890).

111140230 is a wasteful number, since it uses less digits than its factorization.

111140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111140230 is about 10542.3066735890. The cubic root of 111140230 is about 480.7918498060.

Adding to 111140230 its reverse (32041111), we get a palindrome (143181341).

The spelling of 111140230 in words is "one hundred eleven million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 139 185 278 370 695 1390 2161 4322 5143 10286 10805 21610 25715 51430 79957 159914 300379 399785 600758 799570 1501895 3003790 11114023 22228046 55570115 111140230