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19004414 = 2111366449
BaseRepresentation
bin100100001111…
…1101111111110
31022202112011012
41020133233332
514331120124
61515155222
7320351312
oct110375776
938675135
1019004414
11a800330
126445b12
133c25220
142749b42
151a05e0e
hex121fbfe

19004414 has 16 divisors (see below), whose sum is σ = 33490800. Its totient is φ = 7973760.

The previous prime is 19004413. The next prime is 19004429. The reversal of 19004414 is 41440091.

It is a super-2 number, since 2×190044142 = 722335502966792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19004414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19004413) 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, 32939 + ... + 33510.

It is an arithmetic number, because the mean of its divisors is an integer number (2093175).

Almost surely, 219004414 is an apocalyptic number.

19004414 is a deficient number, since it is larger than the sum of its proper divisors (14486386).

19004414 is a wasteful number, since it uses less digits than its factorization.

19004414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66475.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 19004414 is about 4359.4052346622. The cubic root of 19004414 is about 266.8608270001.

The spelling of 19004414 in words is "nineteen million, four thousand, four hundred fourteen".

Divisors: 1 2 11 13 22 26 143 286 66449 132898 730939 863837 1461878 1727674 9502207 19004414