Search a number
-
+
341684809 = 1917983411
BaseRepresentation
bin10100010111011…
…011001001001001
3212210221101102221
4110113123021021
51144432403214
653523254041
711316162424
oct2427331111
9783841387
10341684809
11165965944
129651a321
1355a3447b
14335449bb
151eee4e24
hex145db249

341684809 has 4 divisors (see below), whose sum is σ = 359668240. Its totient is φ = 323701380.

The previous prime is 341684789. The next prime is 341684813. The reversal of 341684809 is 908486143.

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, and also an emirpimes, since its reverse is a distinct semiprime: 908486143 = 1994565257.

It is a cyclic number.

It is not a de Polignac number, because 341684809 - 215 = 341652041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341684869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8991687 + ... + 8991724.

It is an arithmetic number, because the mean of its divisors is an integer number (89917060).

Almost surely, 2341684809 is an apocalyptic number.

It is an amenable number.

341684809 is a deficient number, since it is larger than the sum of its proper divisors (17983431).

341684809 is a wasteful number, since it uses less digits than its factorization.

341684809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17983430.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 341684809 is about 18484.7182558999. The cubic root of 341684809 is about 699.1041662796.

The spelling of 341684809 in words is "three hundred forty-one million, six hundred eighty-four thousand, eight hundred nine".

Divisors: 1 19 17983411 341684809