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111124430 = 2557719259
BaseRepresentation
bin1101001111110…
…01111111001110
321202002201001122
412213321333032
5211421440210
615005440542
72516353634
oct647717716
9252081048
10111124430
11577aa47a
1231270152
131a03a101
1410a89354
159b50b55
hex69f9fce

111124430 has 16 divisors (see below), whose sum is σ = 200381040. Its totient is φ = 44370432.

The previous prime is 111124417. The next prime is 111124439. The reversal of 111124430 is 34421111.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111124399 and 111124408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3860 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (12523815).

Almost surely, 2111124430 is an apocalyptic number.

111124430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111124430 is a deficient number, since it is larger than the sum of its proper divisors (89256610).

111124430 is a wasteful number, since it uses less digits than its factorization.

111124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19843.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111124430 is about 10541.5572853350. The cubic root of 111124430 is about 480.7690651634.

Adding to 111124430 its reverse (34421111), we get a palindrome (145545541).

The spelling of 111124430 in words is "one hundred eleven million, one hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 577 1154 2885 5770 19259 38518 96295 192590 11112443 22224886 55562215 111124430