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305305030 = 2530530503
BaseRepresentation
bin10010001100101…
…001010111000110
3210021111002202201
4102030221113012
51111124230110
650143425114
710365023062
oct2214512706
9707432681
10305305030
11147378208
12862b519a
134b337684
142c794aa2
151bc0ab3a
hex123295c6

305305030 has 8 divisors (see below), whose sum is σ = 549549072. Its totient is φ = 122122008.

The previous prime is 305304971. The next prime is 305305043. The reversal of 305305030 is 30503503.

305305030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3053050302 = 186422322686601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305304989 and 305305007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15265242 + ... + 15265261.

It is an arithmetic number, because the mean of its divisors is an integer number (68693634).

Almost surely, 2305305030 is an apocalyptic number.

305305030 is a deficient number, since it is larger than the sum of its proper divisors (244244042).

305305030 is a wasteful number, since it uses less digits than its factorization.

305305030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530510.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 305305030 is about 17472.9799976993. The cubic root of 305305030 is about 673.3558742141.

Adding to 305305030 its reverse (30503503), we get a palindrome (335808533).

The spelling of 305305030 in words is "three hundred five million, three hundred five thousand, thirty".

Divisors: 1 2 5 10 30530503 61061006 152652515 305305030