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19003934 = 223413129
BaseRepresentation
bin100100001111…
…1101000011110
31022202111111102
41020133220132
514331111214
61515153102
7320350025
oct110375036
938674442
1019003934
11a7aaa34
126445792
133c24c41
1427498bc
151a05bde
hex121fa1e

19003934 has 8 divisors (see below), whose sum is σ = 29745360. Its totient is φ = 9088816.

The previous prime is 19003913. The next prime is 19003939. The reversal of 19003934 is 43930091.

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

It is a super-2 number, since 2×190039342 = 722299014952712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19003897 and 19003906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19003939) 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, 206519 + ... + 206610.

It is an arithmetic number, because the mean of its divisors is an integer number (3718170).

Almost surely, 219003934 is an apocalyptic number.

19003934 is a deficient number, since it is larger than the sum of its proper divisors (10741426).

19003934 is a wasteful number, since it uses less digits than its factorization.

19003934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413154.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 19003934 is about 4359.3501809329. The cubic root of 19003934 is about 266.8585802541.

The spelling of 19003934 in words is "nineteen million, three thousand, nine hundred thirty-four".

Divisors: 1 2 23 46 413129 826258 9501967 19003934