Search a number
-
+
11228944 = 243122639
BaseRepresentation
bin101010110101…
…011100010000
3210010111012211
4222311130100
510333311234
61040401504
7164305306
oct52653420
923114184
1011228944
11637a521
123916294
13243205c
1416c4276
15ebc164
hexab5710

11228944 has 20 divisors (see below), whose sum is σ = 22458880. Its totient is φ = 5433120.

The previous prime is 11228929. The next prime is 11228963. The reversal of 11228944 is 44982211.

11228944 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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, 10824 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (1122944).

Almost surely, 211228944 is an apocalyptic number.

It is an amenable number.

11228944 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.

11228944 is a wasteful number, since it uses less digits than its factorization.

11228944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22678 (or 22672 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 11228944 is about 3350.9616530184. The cubic root of 11228944 is about 223.9303567510.

The spelling of 11228944 in words is "eleven million, two hundred twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 31 62 124 248 496 22639 45278 90556 181112 362224 701809 1403618 2807236 5614472 11228944