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11386140 = 22351091741
BaseRepresentation
bin101011011011…
…110100011100
3210102110211220
4223123310130
510403324030
61044013340
7165531513
oct53336434
923373756
1011386140
116477637
123991250
13248877c
14172567a
15eeda10
hexadbd1c

11386140 has 48 divisors (see below), whose sum is σ = 32192160. Its totient is φ = 3006720.

The previous prime is 11386139. The next prime is 11386153. The reversal of 11386140 is 4168311.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11386140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5670 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (670670).

Almost surely, 211386140 is an apocalyptic number.

11386140 is a gapful number since it is divisible by the number (10) 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 11386140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16096080).

11386140 is an abundant number, since it is smaller than the sum of its proper divisors (20806020).

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

11386140 is a wasteful number, since it uses less digits than its factorization.

11386140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11386140 is about 3374.3354901373. The cubic root of 11386140 is about 224.9704652591.

The spelling of 11386140 in words is "eleven million, three hundred eighty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 1741 2180 3270 3482 5223 6540 6964 8705 10446 17410 20892 26115 34820 52230 104460 189769 379538 569307 759076 948845 1138614 1897690 2277228 2846535 3795380 5693070 11386140