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11012388 = 2236713697
BaseRepresentation
bin101010000000…
…100100100100
3202201111011020
4222000210210
510304344023
61032011140
7162414042
oct52004444
922644136
1011012388
116241852
123830ab0
13238760a
141669392
15e77de3
hexa80924

11012388 has 24 divisors (see below), whose sum is σ = 26080992. Its totient is φ = 3615744.

The previous prime is 11012371. The next prime is 11012389. The reversal of 11012388 is 88321011.

It is not an unprimeable number, because it can be changed into a prime (11012389) 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 7 ways as a sum of consecutive naturals, for example, 6045 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (1086708).

Almost surely, 211012388 is an apocalyptic number.

It is an amenable number.

11012388 is an abundant number, since it is smaller than the sum of its proper divisors (15068604).

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

11012388 is a wasteful number, since it uses less digits than its factorization.

11012388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 11012388 is about 3318.4918261162. The cubic root of 11012388 is about 222.4814646008.

Adding to 11012388 its reverse (88321011), we get a palindrome (99333399).

The spelling of 11012388 in words is "eleven million, twelve thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 13697 27394 41091 54788 82182 164364 917699 1835398 2753097 3670796 5506194 11012388