Search a number
-
+
11385738 = 2337213331
BaseRepresentation
bin101011011011…
…101110001010
3210102110022000
4223123232022
510403320423
61044011430
7165530400
oct53335612
923373260
1011385738
116477301
123990b76
132488530
141725470
15eed843
hexadbb8a

11385738 has 96 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 2993760.

The previous prime is 11385623. The next prime is 11385739. The reversal of 11385738 is 83758311.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11385739) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34233 + ... + 34563.

It is an arithmetic number, because the mean of its divisors is an integer number (331170).

Almost surely, 211385738 is an apocalyptic number.

11385738 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 11385738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15896160).

11385738 is an abundant number, since it is smaller than the sum of its proper divisors (20406582).

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

11385738 is a wasteful number, since it uses less digits than its factorization.

11385738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 356 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 11385738 is about 3374.2759223276. The cubic root of 11385738 is about 224.9678176193.

The spelling of 11385738 in words is "eleven million, three hundred eighty-five thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 49 54 63 78 91 98 117 126 147 182 189 234 273 294 331 351 378 441 546 637 662 702 819 882 993 1274 1323 1638 1911 1986 2317 2457 2646 2979 3822 4303 4634 4914 5733 5958 6951 8606 8937 11466 12909 13902 16219 17199 17874 20853 25818 30121 32438 34398 38727 41706 48657 60242 62559 77454 90363 97314 116181 125118 145971 180726 210847 232362 271089 291942 421694 437913 542178 632541 813267 875826 1265082 1626534 1897623 3795246 5692869 11385738