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19438096 = 24712241
BaseRepresentation
bin100101000100…
…1101000010000
31100120120001111
41022021220100
514434004341
61532343104
7324135556
oct112115020
940516044
1019438096
11aa77147
126614a94
134047742
14281dbd6
151a8e681
hex1289a10

19438096 has 30 divisors (see below), whose sum is σ = 38357726. Its totient is φ = 9542400.

The previous prime is 19438087. The next prime is 19438099. The reversal of 19438096 is 69083491.

It can be written as a sum of positive squares in only one way, i.e., 18147600 + 1290496 = 4260^2 + 1136^2 .

It is a super-2 number, since 2×194380962 = 755679152210432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19438099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80536 + ... + 80776.

Almost surely, 219438096 is an apocalyptic number.

19438096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19438096 is a deficient number, since it is larger than the sum of its proper divisors (18919630).

19438096 is an equidigital number, since it uses as much as digits as its factorization.

19438096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 19438096 is about 4408.8656137378. The cubic root of 19438096 is about 268.8755061173.

The spelling of 19438096 in words is "nineteen million, four hundred thirty-eight thousand, ninety-six".

Divisors: 1 2 4 8 16 71 142 241 284 482 568 964 1136 1928 3856 5041 10082 17111 20164 34222 40328 68444 80656 136888 273776 1214881 2429762 4859524 9719048 19438096