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11228404 = 2211255191
BaseRepresentation
bin101010110101…
…010011110100
3210010110110211
4222311103310
510333302104
61040355204
7164303605
oct52652364
923113424
1011228404
11637a080
123915b04
132431a35
1416c3dac
15ebbe04
hexab54f4

11228404 has 12 divisors (see below), whose sum is σ = 21436128. Its totient is φ = 5103800.

The previous prime is 11228369. The next prime is 11228447. The reversal of 11228404 is 40482211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127552 + ... + 127639.

It is an arithmetic number, because the mean of its divisors is an integer number (1786344).

Almost surely, 211228404 is an apocalyptic number.

It is an amenable number.

11228404 is a deficient number, since it is larger than the sum of its proper divisors (10207724).

11228404 is a wasteful number, since it uses less digits than its factorization.

11228404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255206 (or 255204 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 11228404 is about 3350.8810781644. The cubic root of 11228404 is about 223.9267670893.

The spelling of 11228404 in words is "eleven million, two hundred twenty-eight thousand, four hundred four".

Divisors: 1 2 4 11 22 44 255191 510382 1020764 2807101 5614202 11228404