Search a number
-
+
112215247 is a prime number
BaseRepresentation
bin1101011000001…
…00010011001111
321211011010101021
412230010103033
5212211341442
615045055011
72531546104
oct654042317
9254133337
10112215247
1158384a81
12316b7467
131a32c771
1410c90aab
159cb8e67
hex6b044cf

112215247 has 2 divisors, whose sum is σ = 112215248. Its totient is φ = 112215246.

The previous prime is 112215241. The next prime is 112215269. The reversal of 112215247 is 742512211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112215247 - 27 = 112215119 is a prime.

It is equal to p6422803 and since 112215247 and 6422803 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112215241) 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 as a sum of consecutive naturals, namely, 56107623 + 56107624.

It is an arithmetic number, because the mean of its divisors is an integer number (56107624).

Almost surely, 2112215247 is an apocalyptic number.

112215247 is a deficient number, since it is larger than the sum of its proper divisors (1).

112215247 is an equidigital number, since it uses as much as digits as its factorization.

112215247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 112215247 is about 10593.1698277711. The cubic root of 112215247 is about 482.3370504006.

Adding to 112215247 its reverse (742512211), we get a palindrome (854727458).

The spelling of 112215247 in words is "one hundred twelve million, two hundred fifteen thousand, two hundred forty-seven".