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434885809 = 1316415179
BaseRepresentation
bin11001111010111…
…101010010110001
31010022022111011211
4121322331102301
51342312321214
6111053040121
713530316441
oct3172752261
91108274154
10434885809
11203533166
12101786041
136c1373a7
1441a86121
15282a50c4
hex19ebd4b1

434885809 has 8 divisors (see below), whose sum is σ = 438973920. Its totient is φ = 430809600.

The previous prime is 434885749. The next prime is 434885819. The reversal of 434885809 is 908588434.

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 434885809 - 27 = 434885681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434885819) 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, 81382 + ... + 86560.

It is an arithmetic number, because the mean of its divisors is an integer number (54871740).

Almost surely, 2434885809 is an apocalyptic number.

It is an amenable number.

434885809 is a deficient number, since it is larger than the sum of its proper divisors (4088111).

434885809 is a wasteful number, since it uses less digits than its factorization.

434885809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 434885809 is about 20853.9159152424. The cubic root of 434885809 is about 757.6321787156.

The spelling of 434885809 in words is "four hundred thirty-four million, eight hundred eighty-five thousand, eight hundred nine".

Divisors: 1 131 641 5179 83971 678449 3319739 434885809