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112217447 is a prime number
BaseRepresentation
bin1101011000001…
…00110101100111
321211011020101202
412230010311213
5212211424242
615045113115
72531555366
oct654046547
9254136352
10112217447
11583866a1
12316b879b
131a330774
1410c917dd
159cb9932
hex6b04d67

112217447 has 2 divisors, whose sum is σ = 112217448. Its totient is φ = 112217446.

The previous prime is 112217419. The next prime is 112217453. The reversal of 112217447 is 744712211.

It is a strong prime.

It is an emirp because it is prime and its reverse (744712211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112217447 - 26 = 112217383 is a prime.

It is a super-2 number, since 2×1122174472 = 25185510822395618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112217407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56108723 + 56108724.

It is an arithmetic number, because the mean of its divisors is an integer number (56108724).

Almost surely, 2112217447 is an apocalyptic number.

112217447 is a deficient number, since it is larger than the sum of its proper divisors (1).

112217447 is an equidigital number, since it uses as much as digits as its factorization.

112217447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 29.

The square root of 112217447 is about 10593.2736677573. The cubic root of 112217447 is about 482.3402024814.

Adding to 112217447 its reverse (744712211), we get a palindrome (856929658).

The spelling of 112217447 in words is "one hundred twelve million, two hundred seventeen thousand, four hundred forty-seven".