Search a number
-
+
305291014 = 2722397787
BaseRepresentation
bin10010001100100…
…101111100000110
3210021110101112121
4102030211330012
51111123303024
650143240154
710364634160
oct2214457406
9707411477
10305291014
11147368726
12862a905a
134b331192
142c78d930
151bc068e4
hex12325f06

305291014 has 16 divisors (see below), whose sum is σ = 525708288. Its totient is φ = 130250952.

The previous prime is 305291011. The next prime is 305291023. The reversal of 305291014 is 410192503.

It is a self number, because there is not a number n which added to its sum of digits gives 305291014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305291011) 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 7 ways as a sum of consecutive naturals, for example, 45772 + ... + 52015.

It is an arithmetic number, because the mean of its divisors is an integer number (32856768).

Almost surely, 2305291014 is an apocalyptic number.

305291014 is a deficient number, since it is larger than the sum of its proper divisors (220417274).

305291014 is a wasteful number, since it uses less digits than its factorization.

305291014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98019.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 305291014 is about 17472.5789166911. The cubic root of 305291014 is about 673.3455698742.

The spelling of 305291014 in words is "three hundred five million, two hundred ninety-one thousand, fourteen".

Divisors: 1 2 7 14 223 446 1561 3122 97787 195574 684509 1369018 21806501 43613002 152645507 305291014