Search a number
-
+
340495807 = 2515872311
BaseRepresentation
bin10100010010111…
…000110110111111
3212201200222102211
4110102320312333
51144131331212
653442001251
711303111101
oct2422706677
9781628384
10340495807
111652235a3
1296046227
1355709212
1433315571
151ed5c9a7
hex144b8dbf

340495807 has 8 divisors (see below), whose sum is σ = 342582912. Its totient is φ = 338415000.

The previous prime is 340495783. The next prime is 340495817. The reversal of 340495807 is 708594043.

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

It is a cyclic number.

It is not a de Polignac number, because 340495807 - 219 = 339971519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340495807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340495817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146182 + ... + 148492.

It is an arithmetic number, because the mean of its divisors is an integer number (42822864).

Almost surely, 2340495807 is an apocalyptic number.

340495807 is a deficient number, since it is larger than the sum of its proper divisors (2087105).

340495807 is a wasteful number, since it uses less digits than its factorization.

340495807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 340495807 is about 18452.5284717298. The cubic root of 340495807 is about 698.2923047015.

The spelling of 340495807 in words is "three hundred forty million, four hundred ninety-five thousand, eight hundred seven".

Divisors: 1 251 587 2311 147337 580061 1356557 340495807