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11240680 = 2351159433
BaseRepresentation
bin101010111000…
…010011101000
3210011002022111
4222320103220
510334200210
61040532104
7164354443
oct52702350
923132274
1011240680
116388320
123921034
1324374b9
1416c865a
15ec088a
hexab84e8

11240680 has 64 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 4008960.

The previous prime is 11240659. The next prime is 11240681. The reversal of 11240680 is 8604211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11240681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25744 + ... + 26176.

It is an arithmetic number, because the mean of its divisors is an integer number (439425).

Almost surely, 211240680 is an apocalyptic number.

11240680 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 11240680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600).

11240680 is an abundant number, since it is smaller than the sum of its proper divisors (16882520).

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

11240680 is a wasteful number, since it uses less digits than its factorization.

11240680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11240680 is about 3352.7123348119. The cubic root of 11240680 is about 224.0083436518.

Adding to 11240680 its reverse (8604211), we get a palindrome (19844891).

The spelling of 11240680 in words is "eleven million, two hundred forty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 59 88 110 118 220 236 295 433 440 472 590 649 866 1180 1298 1732 2165 2360 2596 3245 3464 4330 4763 5192 6490 8660 9526 12980 17320 19052 23815 25547 25960 38104 47630 51094 95260 102188 127735 190520 204376 255470 281017 510940 562034 1021880 1124068 1405085 2248136 2810170 5620340 11240680