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112330721 = 731538777
BaseRepresentation
bin1101011001000…
…00011111100001
321211100222210002
412230200133201
5212224040341
615051345345
72532536546
oct654403741
9254328702
10112330721
1158453808
1231752255
131a3701a9
1410cc0bcd
159cdd29b
hex6b207e1

112330721 has 4 divisors (see below), whose sum is σ = 113869572. Its totient is φ = 110791872.

The previous prime is 112330711. The next prime is 112330787. The reversal of 112330721 is 127033211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 127033211 = 413098371.

It can be written as a sum of positive squares in 2 ways, for example, as 49350625 + 62980096 = 7025^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 112330721 - 26 = 112330657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112330693 and 112330702.

It is not an unprimeable number, because it can be changed into a prime (112330711) 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 3 ways as a sum of consecutive naturals, for example, 769316 + ... + 769461.

It is an arithmetic number, because the mean of its divisors is an integer number (28467393).

Almost surely, 2112330721 is an apocalyptic number.

It is an amenable number.

112330721 is a deficient number, since it is larger than the sum of its proper divisors (1538851).

112330721 is an equidigital number, since it uses as much as digits as its factorization.

112330721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538850.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 112330721 is about 10598.6188251111. The cubic root of 112330721 is about 482.5024417534.

Adding to 112330721 its reverse (127033211), we get a palindrome (239363932).

The spelling of 112330721 in words is "one hundred twelve million, three hundred thirty thousand, seven hundred twenty-one".

Divisors: 1 73 1538777 112330721