Search a number
-
+
340048305 = 3257556629
BaseRepresentation
bin10100010001001…
…011100110110001
3212200212020120200
4110101023212301
51144023021210
653424225413
711266235322
oct2421134661
9780766520
10340048305
11164a48363
1295a6b269
13555b061c
143323a449
151ecc00c0
hex1444b9b1

340048305 has 12 divisors (see below), whose sum is σ = 589417140. Its totient is φ = 181359072.

The previous prime is 340048273. The next prime is 340048321. The reversal of 340048305 is 503840043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37601424 + 302446881 = 6132^2 + 17391^2 .

It is not a de Polignac number, because 340048305 - 25 = 340048273 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 3778270 + ... + 3778359.

It is an arithmetic number, because the mean of its divisors is an integer number (49118095).

Almost surely, 2340048305 is an apocalyptic number.

It is an amenable number.

340048305 is a deficient number, since it is larger than the sum of its proper divisors (249368835).

340048305 is a wasteful number, since it uses less digits than its factorization.

340048305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556640 (or 7556637 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 340048305 is about 18440.3987212858. The cubic root of 340048305 is about 697.9862566841.

Adding to 340048305 its reverse (503840043), we get a palindrome (843888348).

The spelling of 340048305 in words is "three hundred forty million, forty-eight thousand, three hundred five".

Divisors: 1 3 5 9 15 45 7556629 22669887 37783145 68009661 113349435 340048305