Search a number
-
+
114556781 is a prime number
BaseRepresentation
bin1101101001111…
…11111101101101
321222120002100202
412310333331231
5213311304111
615211203245
72560500533
oct664777555
9258502322
10114556781
1159734229
1232446525
131a96c4a1
1411300153
15a0ccb3b
hex6d3ff6d

114556781 has 2 divisors, whose sum is σ = 114556782. Its totient is φ = 114556780.

The previous prime is 114556759. The next prime is 114556817. The reversal of 114556781 is 187655411.

Together with next prime (114556817) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 13875625 = 10034^2 + 3725^2 .

It is an emirp because it is prime and its reverse (187655411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-114556781 is a prime.

It is a super-2 number, since 2×1145567812 = 26246512146163922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114586781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57278390 + 57278391.

It is an arithmetic number, because the mean of its divisors is an integer number (57278391).

Almost surely, 2114556781 is an apocalyptic number.

It is an amenable number.

114556781 is a deficient number, since it is larger than the sum of its proper divisors (1).

114556781 is an equidigital number, since it uses as much as digits as its factorization.

114556781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 38.

The square root of 114556781 is about 10703.1201525536. The cubic root of 114556781 is about 485.6688698803.

The spelling of 114556781 in words is "one hundred fourteen million, five hundred fifty-six thousand, seven hundred eighty-one".