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112403221 = 719845137
BaseRepresentation
bin1101011001100…
…10001100010101
321211111200020021
412230302030111
5212233400341
615053105141
72533261120
oct654621425
9254450207
10112403221
11584a3227
12317881b1
131a3971a8
1410cdd3b7
159d049d1
hex6b32315

112403221 has 8 divisors (see below), whose sum is σ = 135222080. Its totient is φ = 91274688.

The previous prime is 112403219. The next prime is 112403233. The reversal of 112403221 is 122304211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112403221 - 21 = 112403219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112403195 and 112403204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112403261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422436 + ... + 422701.

It is an arithmetic number, because the mean of its divisors is an integer number (16902760).

Almost surely, 2112403221 is an apocalyptic number.

It is an amenable number.

112403221 is a deficient number, since it is larger than the sum of its proper divisors (22818859).

112403221 is an equidigital number, since it uses as much as digits as its factorization.

112403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845163.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 112403221 is about 10602.0385303959. The cubic root of 112403221 is about 482.6062242971.

Adding to 112403221 its reverse (122304211), we get a palindrome (234707432).

The spelling of 112403221 in words is "one hundred twelve million, four hundred three thousand, two hundred twenty-one".

Divisors: 1 7 19 133 845137 5915959 16057603 112403221