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305406000937 = 1072854261691
BaseRepresentation
bin1000111000110111001…
…11011011111100101001
31002012022021021022220001
410130123213123330221
520000432414012222
6352145050303001
731031150114122
oct4343347337451
91065267238801
10305406000937
111085817a8874
124b233a27a61
1322a51b2032b
1410ad30cb049
157e270b1e27
hex471b9dbf29

305406000937 has 4 divisors (see below), whose sum is σ = 308260262736. Its totient is φ = 302551739140.

The previous prime is 305406000883. The next prime is 305406000979. The reversal of 305406000937 is 739000604503.

It is the 225613-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 305406000937 - 215 = 305405968169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305406000896 and 305406000905.

It is not an unprimeable number, because it can be changed into a prime (305406000997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427130739 + ... + 1427130952.

It is an arithmetic number, because the mean of its divisors is an integer number (77065065684).

Almost surely, 2305406000937 is an apocalyptic number.

It is an amenable number.

305406000937 is a deficient number, since it is larger than the sum of its proper divisors (2854261799).

305406000937 is a wasteful number, since it uses less digits than its factorization.

305406000937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854261798.

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 305406000937 in words is "three hundred five billion, four hundred six million, nine hundred thirty-seven", and thus it is an aban number.

Divisors: 1 107 2854261691 305406000937