Search a number
-
+
304307 = 1731759
BaseRepresentation
bin1001010010010110011
3120110102122
41022102303
534214212
610304455
72405123
oct1122263
9513378
10304307
111986a3
1212812b
13a8683
147cc83
1560272
hex4a4b3

304307 has 4 divisors (see below), whose sum is σ = 306240. Its totient is φ = 302376.

The previous prime is 304303. The next prime is 304331. The reversal of 304307 is 703403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703403 = 6771039.

It is a cyclic number.

It is not a de Polignac number, because 304307 - 22 = 304303 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 304307.

It is not an unprimeable number, because it can be changed into a prime (304301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (76560).

2304307 is an apocalyptic number.

304307 is a deficient number, since it is larger than the sum of its proper divisors (1933).

304307 is a wasteful number, since it uses less digits than its factorization.

304307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 304307 is about 551.6402813428. The cubic root of 304307 is about 67.2621348730.

The spelling of 304307 in words is "three hundred four thousand, three hundred seven", and thus it is an iban number.

Divisors: 1 173 1759 304307