Search a number
-
+
112994989 is a prime number
BaseRepresentation
bin1101011110000…
…10101010101101
321212121201222121
412233002222231
5212411314424
615113512541
72541304312
oct657025255
9255551877
10112994989
1158867898
1231a12751
131a543653
1411014d09
159dbeee4
hex6bc2aad

112994989 has 2 divisors, whose sum is σ = 112994990. Its totient is φ = 112994988.

The previous prime is 112994977. The next prime is 112995011. The reversal of 112994989 is 989499211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91298025 + 21696964 = 9555^2 + 4658^2 .

It is an emirp because it is prime and its reverse (989499211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112994989 - 29 = 112994477 is a prime.

It is a super-2 number, since 2×1129949892 = 25535735078220242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112994939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56497494 + 56497495.

It is an arithmetic number, because the mean of its divisors is an integer number (56497495).

Almost surely, 2112994989 is an apocalyptic number.

It is an amenable number.

112994989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112994989 is an equidigital number, since it uses as much as digits as its factorization.

112994989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 52.

The square root of 112994989 is about 10629.9101125080. The cubic root of 112994989 is about 483.4516662571.

The spelling of 112994989 in words is "one hundred twelve million, nine hundred ninety-four thousand, nine hundred eighty-nine".