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19126272 = 211311283
BaseRepresentation
bin100100011110…
…1100000000000
31022222201022110
41020331200000
514344020042
61521535320
7321366504
oct110754000
938881273
1019126272
11a883940
1264a4540
133c68829
14277c304
151a2c09c
hex123d800

19126272 has 96 divisors (see below), whose sum is σ = 55823040. Its totient is φ = 5775360.

The previous prime is 19126259. The next prime is 19126273. The reversal of 19126272 is 27262191.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19126273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67443 + ... + 67725.

It is an arithmetic number, because the mean of its divisors is an integer number (581490).

Almost surely, 219126272 is an apocalyptic number.

19126272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19126272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27911520).

19126272 is an abundant number, since it is smaller than the sum of its proper divisors (36696768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19126272 is a wasteful number, since it uses less digits than its factorization.

19126272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 299 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 19126272 is about 4373.3593495161. The cubic root of 19126272 is about 267.4299907045.

The spelling of 19126272 in words is "nineteen million, one hundred twenty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 283 352 384 512 528 566 704 768 849 1024 1056 1132 1408 1536 1698 2048 2112 2264 2816 3072 3113 3396 4224 4528 5632 6144 6226 6792 8448 9056 9339 11264 12452 13584 16896 18112 18678 22528 24904 27168 33792 36224 37356 49808 54336 67584 72448 74712 99616 108672 144896 149424 199232 217344 289792 298848 398464 434688 579584 597696 796928 869376 1195392 1593856 1738752 2390784 3187712 4781568 6375424 9563136 19126272