Search a number
-
+
304192 = 267297
BaseRepresentation
bin1001010010001000000
3120110021101
41022101000
534213232
610304144
72404600
oct1122100
9513241
10304192
111985a9
12128054
13a85c5
147cc00
15601e7
hex4a440

304192 has 42 divisors (see below), whose sum is σ = 709422. Its totient is φ = 129024.

The previous prime is 304169. The next prime is 304193. The reversal of 304192 is 291403.

It can be written as a sum of positive squares in only one way, i.e., 254016 + 50176 = 504^2 + 224^2 .

It is not an unprimeable number, because it can be changed into a prime (304193) by changing a digit.

304192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3088 + ... + 3184.

It is an arithmetic number, because the mean of its divisors is an integer number (16891).

2304192 is an apocalyptic number.

304192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354711).

304192 is an abundant number, since it is smaller than the sum of its proper divisors (405230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304192 is an equidigital number, since it uses as much as digits as its factorization.

304192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 304192 is about 551.5360369006. The cubic root of 304192 is about 67.2536608428.

Adding to 304192 its reverse (291403), we get a palindrome (595595).

It can be divided in two parts, 304 and 192, that added together give a triangular number (496 = T31).

The spelling of 304192 in words is "three hundred four thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 97 98 112 194 196 224 388 392 448 679 776 784 1358 1552 1568 2716 3104 3136 4753 5432 6208 9506 10864 19012 21728 38024 43456 76048 152096 304192