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112222457 = 172388313
BaseRepresentation
bin1101011000001…
…10000011111001
321211011111021022
412230012003321
5212212104312
615045152225
72531606114
oct654060371
9254144238
10112222457
115838a436
12316bb675
131a332b29
1410c9357b
159cbb172
hex6b060f9

112222457 has 6 divisors (see below), whose sum is σ = 119212398. Its totient is φ = 105620864.

The previous prime is 112222433. The next prime is 112222459. The reversal of 112222457 is 754222211.

It can be written as a sum of positive squares in 3 ways, for example, as 68873401 + 43349056 = 8299^2 + 6584^2 .

It is not a de Polignac number, because 112222457 - 26 = 112222393 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112222459) 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 5 ways as a sum of consecutive naturals, for example, 193868 + ... + 194445.

It is an arithmetic number, because the mean of its divisors is an integer number (19868733).

Almost surely, 2112222457 is an apocalyptic number.

112222457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

112222457 is a deficient number, since it is larger than the sum of its proper divisors (6989941).

112222457 is an equidigital number, since it uses as much as digits as its factorization.

112222457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388347 (or 388330 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 112222457 is about 10593.5101359276. The cubic root of 112222457 is about 482.3473804753.

Adding to 112222457 its reverse (754222211), we get a palindrome (866444668).

The spelling of 112222457 in words is "one hundred twelve million, two hundred twenty-two thousand, four hundred fifty-seven".

Divisors: 1 17 289 388313 6601321 112222457