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11013380 = 225797811
BaseRepresentation
bin101010000000…
…110100000100
3202201112111222
4222000310010
510304412010
61032015512
7162416660
oct52006404
922645458
1011013380
116242574
123831598
132387bc1
1416698a0
15e78355
hexa80d04

11013380 has 48 divisors (see below), whose sum is σ = 26737536. Its totient is φ = 3732480.

The previous prime is 11013371. The next prime is 11013391. The reversal of 11013380 is 8331011.

It is an unprimeable number.

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, 13175 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (557032).

Almost surely, 211013380 is an apocalyptic number.

11013380 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 11013380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13368768).

11013380 is an abundant number, since it is smaller than the sum of its proper divisors (15724156).

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

11013380 is a wasteful number, since it uses less digits than its factorization.

11013380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11013380 is about 3318.6412882383. The cubic root of 11013380 is about 222.4881448045.

Adding to 11013380 its reverse (8331011), we get a palindrome (19344391).

The spelling of 11013380 in words is "eleven million, thirteen thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 97 140 194 388 485 679 811 970 1358 1622 1940 2716 3244 3395 4055 5677 6790 8110 11354 13580 16220 22708 28385 56770 78667 113540 157334 314668 393335 550669 786670 1101338 1573340 2202676 2753345 5506690 11013380