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11238318 = 2337132287
BaseRepresentation
bin101010110111…
…101110101110
3210010222002000
4222313232232
510334111233
61040513130
7164344530
oct52675656
923128060
1011238318
116386573
12391b7a6
1324363c0
1416c7850
15ebed13
hexab7bae

11238318 has 64 divisors (see below), whose sum is σ = 30750720. Its totient is φ = 2962656.

The previous prime is 11238313. The next prime is 11238347. The reversal of 11238318 is 81383211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11238291 and 11238300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11238313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3771 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 211238318 is an apocalyptic number.

11238318 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 11238318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15375360).

11238318 is an abundant number, since it is smaller than the sum of its proper divisors (19512402).

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

11238318 is a wasteful number, since it uses less digits than its factorization.

11238318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2312 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11238318 is about 3352.3600641936. The cubic root of 11238318 is about 223.9926522887.

The spelling of 11238318 in words is "eleven million, two hundred thirty-eight thousand, three hundred eighteen".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2287 2457 4574 4914 6861 13722 16009 20583 29731 32018 41166 48027 59462 61749 89193 96054 123498 144081 178386 208117 267579 288162 416234 432243 535158 624351 802737 864486 1248702 1605474 1873053 3746106 5619159 11238318