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11236240 = 245140453
BaseRepresentation
bin101010110111…
…001110010000
3210010212020001
4222313032100
510334024430
61040455344
7164335501
oct52671620
923125201
1011236240
116384a54
12391a554
132435482
1416c6ba8
15ebe3ca
hexab7390

11236240 has 20 divisors (see below), whose sum is σ = 26124444. Its totient is φ = 4494464.

The previous prime is 11236237. The next prime is 11236283. The reversal of 11236240 is 4263211.

11236240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6290064 + 4946176 = 2508^2 + 2224^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70147 + ... + 70306.

Almost surely, 211236240 is an apocalyptic number.

11236240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11236240 is an abundant number, since it is smaller than the sum of its proper divisors (14888204).

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

11236240 is a wasteful number, since it uses less digits than its factorization.

11236240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140466 (or 140460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 11236240 is about 3352.0501189571. The cubic root of 11236240 is about 223.9788457914.

Adding to 11236240 its reverse (4263211), we get a palindrome (15499451).

It can be divided in two parts, 11236 and 240, that added together give a triangular number (11476 = T151).

The spelling of 11236240 in words is "eleven million, two hundred thirty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 140453 280906 561812 702265 1123624 1404530 2247248 2809060 5618120 11236240