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11100404 = 227396443
BaseRepresentation
bin101010010110…
…000011110100
3202212221220002
4222112003310
510320203104
61033530432
7163231460
oct52260364
922787802
1011100404
1162a1997
123873a18
1323b86b3
14168d4a0
15e9401e
hexa960f4

11100404 has 12 divisors (see below), whose sum is σ = 22200864. Its totient is φ = 4757304.

The previous prime is 11100403. The next prime is 11100409. The reversal of 11100404 is 40400111.

11100404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100403) 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, 198194 + ... + 198249.

It is an arithmetic number, because the mean of its divisors is an integer number (1850072).

Almost surely, 211100404 is an apocalyptic number.

11100404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11100404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11100404 is a wasteful number, since it uses less digits than its factorization.

11100404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396454 (or 396452 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11100404 is about 3331.7268795626. The cubic root of 11100404 is about 223.0726167284.

Adding to 11100404 its reverse (40400111), we get a palindrome (51500515).

The spelling of 11100404 in words is "eleven million, one hundred thousand, four hundred four".

Divisors: 1 2 4 7 14 28 396443 792886 1585772 2775101 5550202 11100404