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11054538 = 23211311801
BaseRepresentation
bin101010001010…
…110111001010
3202210121222100
4222022313022
510312221123
61032534230
7162650655
oct52126712
922717870
1011054538
116270490
123851376
1323a0861
14167a89c
15e85643
hexa8adca

11054538 has 48 divisors (see below), whose sum is σ = 26986752. Its totient is φ = 3240000.

The previous prime is 11054473. The next prime is 11054567. The reversal of 11054538 is 83545011.

11054538 is a `hidden beast` number, since 110 + 545 + 3 + 8 = 666.

11054538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5238 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (562224).

Almost surely, 211054538 is an apocalyptic number.

11054538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11054538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13493376).

11054538 is an abundant number, since it is smaller than the sum of its proper divisors (15932214).

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

11054538 is a wasteful number, since it uses less digits than its factorization.

11054538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 11054538 is about 3324.8365373353. The cubic root of 11054538 is about 222.7649530636.

Adding to 11054538 its reverse (83545011), we get a palindrome (94599549).

The spelling of 11054538 in words is "eleven million, fifty-four thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 31 33 62 66 93 99 186 198 279 341 558 682 1023 1801 2046 3069 3602 5403 6138 10806 16209 19811 32418 39622 55831 59433 111662 118866 167493 178299 334986 356598 502479 614141 1004958 1228282 1842423 3684846 5527269 11054538