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305430514 = 2337453161
BaseRepresentation
bin10010001101000…
…111111111110010
3210021201110220021
4102031013333302
51111142234024
650150234054
710366054654
oct2215077762
9707643807
10305430514
11147453514
128635592a
134b37c81c
142c7c86d4
151bc32de4
hex12347ff2

305430514 has 8 divisors (see below), whose sum is σ = 459506268. Its totient is φ = 152261760.

The previous prime is 305430509. The next prime is 305430527. The reversal of 305430514 is 415034503.

305430514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 285779025 + 19651489 = 16905^2 + 4433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225907 + ... + 227254.

Almost surely, 2305430514 is an apocalyptic number.

305430514 is a deficient number, since it is larger than the sum of its proper divisors (154075754).

305430514 is a wasteful number, since it uses less digits than its factorization.

305430514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453500.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 305430514 is about 17476.5704301502. The cubic root of 305430514 is about 673.4481140034.

The spelling of 305430514 in words is "three hundred five million, four hundred thirty thousand, five hundred fourteen".

Divisors: 1 2 337 674 453161 906322 152715257 305430514