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19004834 = 261715401
BaseRepresentation
bin100100001111…
…1110110100010
31022202112201202
41020133312202
514331123314
61515201202
7320352452
oct110376642
938675652
1019004834
11a800682
126446202
133c25484
142749d62
151a060de
hex121fda2

19004834 has 8 divisors (see below), whose sum is σ = 28555308. Its totient is φ = 9486400.

The previous prime is 19004833. The next prime is 19004837. The reversal of 19004834 is 43840091.

It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 38809 = 4355^2 + 197^2 .

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

It is a super-2 number, since 2×190048342 = 722367430735112, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19004797 and 19004806.

It is not an unprimeable number, because it can be changed into a prime (19004833) by changing a digit.

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, 6467 + ... + 8934.

Almost surely, 219004834 is an apocalyptic number.

19004834 is a deficient number, since it is larger than the sum of its proper divisors (9550474).

19004834 is a wasteful number, since it uses less digits than its factorization.

19004834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 19004834 is about 4359.4534061049. The cubic root of 19004834 is about 266.8627928718.

The spelling of 19004834 in words is "nineteen million, four thousand, eight hundred thirty-four".

Divisors: 1 2 617 1234 15401 30802 9502417 19004834