Search a number
-
+
11011248 = 243371359
BaseRepresentation
bin101010000000…
…010010110000
3202201102121000
4222000102300
510304324443
61032002000
7162410523
oct52002260
922642530
1011011248
116240a06
123830300
132386c41
141668bba
15e778d3
hexa804b0

11011248 has 80 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3608640.

The previous prime is 11011243. The next prime is 11011283. The reversal of 11011248 is 84211011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11011248.

It is not an unprimeable number, because it can be changed into a prime (11011243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30493 + ... + 30851.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 211011248 is an apocalyptic number.

11011248 is a gapful number since it is divisible by the number (18) 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 11011248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

11011248 is an abundant number, since it is smaller than the sum of its proper divisors (21129552).

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

11011248 is a wasteful number, since it uses less digits than its factorization.

11011248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11011248 is about 3318.3200568963. The cubic root of 11011248 is about 222.4737872583.

Adding to 11011248 its reverse (84211011), we get a palindrome (95222259).

The spelling of 11011248 in words is "eleven million, eleven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 71 72 108 142 144 213 216 284 359 426 432 568 639 718 852 1077 1136 1278 1436 1704 1917 2154 2556 2872 3231 3408 3834 4308 5112 5744 6462 7668 8616 9693 10224 12924 15336 17232 19386 25489 25848 30672 38772 50978 51696 76467 77544 101956 152934 155088 203912 229401 305868 407824 458802 611736 688203 917604 1223472 1376406 1835208 2752812 3670416 5505624 11011248