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304307245 = 5115532859
BaseRepresentation
bin10010001000110…
…101110000101101
3210012121102001201
4102020311300231
51110400312440
650110205501
710353366064
oct2210656055
9705542051
10304307245
111468565a0
1285ab3891
134b078478
142c5b51db
151bab019a
hex12235c2d

304307245 has 8 divisors (see below), whose sum is σ = 398365920. Its totient is φ = 221314320.

The previous prime is 304307239. The next prime is 304307261. The reversal of 304307245 is 542703403.

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

It is not a de Polignac number, because 304307245 - 27 = 304307117 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2766375 + ... + 2766484.

It is an arithmetic number, because the mean of its divisors is an integer number (49795740).

Almost surely, 2304307245 is an apocalyptic number.

It is an amenable number.

304307245 is a deficient number, since it is larger than the sum of its proper divisors (94058675).

304307245 is a wasteful number, since it uses less digits than its factorization.

304307245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532875.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 304307245 is about 17444.4044037049. The cubic root of 304307245 is about 672.6215292407.

It can be divided in two parts, 30430 and 7245, that added together give a triangular number (37675 = T274).

The spelling of 304307245 in words is "three hundred four million, three hundred seven thousand, two hundred forty-five".

Divisors: 1 5 11 55 5532859 27664295 60861449 304307245