Search a number
-
+
318112 = 259941
BaseRepresentation
bin1001101101010100000
3121011100221
41031222200
540134422
610452424
72463304
oct1155240
9534327
10318112
111a8003
12134114
13b1a42
1483d04
15643c7
hex4daa0

318112 has 12 divisors (see below), whose sum is σ = 626346. Its totient is φ = 159040.

The previous prime is 318107. The next prime is 318127. The reversal of 318112 is 211813.

It can be written as a sum of positive squares in only one way, i.e., 318096 + 16 = 564^2 + 4^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

318112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4939 + ... + 5002.

2318112 is an apocalyptic number.

318112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

318112 is a deficient number, since it is larger than the sum of its proper divisors (308234).

318112 is an equidigital number, since it uses as much as digits as its factorization.

318112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951 (or 9943 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 318112 is about 564.0141842188. The cubic root of 318112 is about 68.2642543364.

Subtracting from 318112 its sum of digits (16), we obtain a square (318096 = 5642).

Adding to 318112 its reverse (211813), we get a palindrome (529925).

It can be divided in two parts, 31811 and 2, that added together give a palindrome (31813).

The spelling of 318112 in words is "three hundred eighteen thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 9941 19882 39764 79528 159056 318112