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343840485 = 3547487717
BaseRepresentation
bin10100011111101…
…001011011100101
3212221222220110210
4110133221123211
51201010343420
654041410033
711343411252
oct2437513345
9787886423
10343840485
111670a849a
1297199919
135630a711
1433946429
15202bd9e0
hex147e96e5

343840485 has 16 divisors (see below), whose sum is σ = 561851136. Its totient is φ = 179479488.

The previous prime is 343840477. The next prime is 343840489. The reversal of 343840485 is 584048343.

It is a happy number.

It is not a de Polignac number, because 343840485 - 23 = 343840477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343840489) 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 15 ways as a sum of consecutive naturals, for example, 243154 + ... + 244563.

It is an arithmetic number, because the mean of its divisors is an integer number (35115696).

Almost surely, 2343840485 is an apocalyptic number.

It is an amenable number.

343840485 is a deficient number, since it is larger than the sum of its proper divisors (218010651).

343840485 is a wasteful number, since it uses less digits than its factorization.

343840485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487772.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 343840485 is about 18542.9362561596. The cubic root of 343840485 is about 700.5712921270.

The spelling of 343840485 in words is "three hundred forty-three million, eight hundred forty thousand, four hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 487717 1463151 2438585 7315755 22922699 68768097 114613495 343840485