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19709034 = 233284839
BaseRepresentation
bin100101100101…
…1110001101010
31101002022201020
41023023301222
520021142114
61542233310
7326344512
oct113136152
941068636
1019709034
1110141764
126725836
134110b67
142890842
151ae4aa9
hex12cbc6a

19709034 has 8 divisors (see below), whose sum is σ = 39418080. Its totient is φ = 6569676.

The previous prime is 19709029. The next prime is 19709047. The reversal of 19709034 is 43090791.

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

19709034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19708986 and 19709004.

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 3 ways as a sum of consecutive naturals, for example, 1642414 + ... + 1642425.

It is an arithmetic number, because the mean of its divisors is an integer number (4927260).

Almost surely, 219709034 is an apocalyptic number.

19709034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19709034 is a wasteful number, since it uses less digits than its factorization.

19709034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284844.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 19709034 is about 4439.4857810337. The cubic root of 19709034 is about 270.1189873358.

The spelling of 19709034 in words is "nineteen million, seven hundred nine thousand, thirty-four".

Divisors: 1 2 3 6 3284839 6569678 9854517 19709034