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113611247 is a prime number
BaseRepresentation
bin1101100010110…
…01000111101111
321220210001022222
412301121013233
5213041024442
615135025555
72546452061
oct661310757
9256701288
10113611247
11591488a2
123206b2bb
131a6cacb9
1411135731
159e928d2
hex6c591ef

113611247 has 2 divisors, whose sum is σ = 113611248. Its totient is φ = 113611246.

The previous prime is 113611189. The next prime is 113611301. The reversal of 113611247 is 742116311.

It is a strong prime.

It is an emirp because it is prime and its reverse (742116311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113611247 - 222 = 109416943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113611747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56805623 + 56805624.

It is an arithmetic number, because the mean of its divisors is an integer number (56805624).

Almost surely, 2113611247 is an apocalyptic number.

113611247 is a deficient number, since it is larger than the sum of its proper divisors (1).

113611247 is an equidigital number, since it uses as much as digits as its factorization.

113611247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 113611247 is about 10658.8576780066. The cubic root of 113611247 is about 484.3289646544.

Adding to 113611247 its reverse (742116311), we get a palindrome (855727558).

The spelling of 113611247 in words is "one hundred thirteen million, six hundred eleven thousand, two hundred forty-seven".