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11318240 = 255127557
BaseRepresentation
bin101011001011…
…001111100000
3210022000201002
4223023033200
510344140430
61042331132
7165126533
oct53131740
923260632
1011318240
11643061a
123959aa8
1324638ab
141708a1a
15ed8845
hexacb3e0

11318240 has 48 divisors (see below), whose sum is σ = 26998272. Its totient is φ = 4483584.

The previous prime is 11318227. The next prime is 11318267. The reversal of 11318240 is 4281311.

11318240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20042 + ... + 20598.

It is an arithmetic number, because the mean of its divisors is an integer number (562464).

Almost surely, 211318240 is an apocalyptic number.

11318240 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 11318240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13499136).

11318240 is an abundant number, since it is smaller than the sum of its proper divisors (15680032).

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

11318240 is a wasteful number, since it uses less digits than its factorization.

11318240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11318240 is about 3364.2592052337. The cubic root of 11318240 is about 224.5223777840.

Adding to 11318240 its reverse (4281311), we get a palindrome (15599551).

The spelling of 11318240 in words is "eleven million, three hundred eighteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 127 160 254 508 557 635 1016 1114 1270 2032 2228 2540 2785 4064 4456 5080 5570 8912 10160 11140 17824 20320 22280 44560 70739 89120 141478 282956 353695 565912 707390 1131824 1414780 2263648 2829560 5659120 11318240