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11054980 = 225552749
BaseRepresentation
bin101010001010…
…111110000100
3202210122120201
4222022332010
510312224410
61032540244
7162652156
oct52127604
922718521
1011054980
116270852
123851684
1323a0b11
14167aad6
15e8583a
hexa8af84

11054980 has 12 divisors (see below), whose sum is σ = 23215500. Its totient is φ = 4421984.

The previous prime is 11054977. The next prime is 11054987. The reversal of 11054980 is 8945011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 5447556 = 2368^2 + 2334^2 .

It is not an unprimeable number, because it can be changed into a prime (11054987) 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 3 ways as a sum of consecutive naturals, for example, 276355 + ... + 276394.

It is an arithmetic number, because the mean of its divisors is an integer number (1934625).

Almost surely, 211054980 is an apocalyptic number.

11054980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11054980 is an abundant number, since it is smaller than the sum of its proper divisors (12160520).

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

11054980 is a wasteful number, since it uses less digits than its factorization.

11054980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552758 (or 552756 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11054980 is about 3324.9030061041. The cubic root of 11054980 is about 222.7679220041.

Adding to 11054980 its reverse (8945011), we get a palindrome (19999991).

The spelling of 11054980 in words is "eleven million, fifty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 552749 1105498 2210996 2763745 5527490 11054980