Search a number
-
+
112305761 = 213752553
BaseRepresentation
bin1101011000110…
…10011001100001
321211022201112122
412230122121201
5212222241021
615051034025
72532404021
oct654323141
9254281478
10112305761
1158436a87
123173b915
131a361a19
1410cb5a81
159cd5bab
hex6b1a661

112305761 has 4 divisors (see below), whose sum is σ = 112360452. Its totient is φ = 112251072.

The previous prime is 112305749. The next prime is 112305769. The reversal of 112305761 is 167503211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167503211 = 419399769.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 59830225 = 7244^2 + 7735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112305761 is a prime.

It is a super-2 number, since 2×1123057612 = 25225167907578242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112305761.

It is not an unprimeable number, because it can be changed into a prime (112305769) 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 in 3 ways as a sum of consecutive naturals, for example, 24140 + ... + 28413.

It is an arithmetic number, because the mean of its divisors is an integer number (28090113).

Almost surely, 2112305761 is an apocalyptic number.

It is an amenable number.

112305761 is a deficient number, since it is larger than the sum of its proper divisors (54691).

112305761 is an equidigital number, since it uses as much as digits as its factorization.

112305761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54690.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 112305761 is about 10597.4412477730. The cubic root of 112305761 is about 482.4667015957.

Adding to 112305761 its reverse (167503211), we get a palindrome (279808972).

The spelling of 112305761 in words is "one hundred twelve million, three hundred five thousand, seven hundred sixty-one".

Divisors: 1 2137 52553 112305761