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19000413 = 3578191
BaseRepresentation
bin100100001111…
…0110001011101
31022202022200000
41020132301131
514331003123
61515124513
7320333535
oct110366135
938668600
1019000413
11a7a8323
126443739
133c23463
1427484c5
151a04b43
hex121ec5d

19000413 has 12 divisors (see below), whose sum is σ = 28461888. Its totient is φ = 12666780.

The previous prime is 19000411. The next prime is 19000469. The reversal of 19000413 is 31400091.

It is not a de Polignac number, because 19000413 - 21 = 19000411 is a prime.

It is a super-2 number, since 2×190004132 = 722031388341138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19000411) 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 11 ways as a sum of consecutive naturals, for example, 38853 + ... + 39338.

It is an arithmetic number, because the mean of its divisors is an integer number (2371824).

Almost surely, 219000413 is an apocalyptic number.

It is an amenable number.

19000413 is a deficient number, since it is larger than the sum of its proper divisors (9461475).

19000413 is an frugal number, since it uses more digits than its factorization.

19000413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78206 (or 78194 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 19000413 is about 4358.9463176323. The cubic root of 19000413 is about 266.8420982790.

The spelling of 19000413 in words is "nineteen million, four hundred thirteen", and thus it is an aban number.

Divisors: 1 3 9 27 81 243 78191 234573 703719 2111157 6333471 19000413