Search a number
-
+
11143248 = 243832797
BaseRepresentation
bin101010100000…
…100001010000
3202222010122220
4222200201100
510323040443
61034501040
7163500414
oct52404120
922863586
1011143248
1163210a6
123894780
13240204c
1416a0d44
15ea1a83
hexaa0850

11143248 has 40 divisors (see below), whose sum is σ = 29143968. Its totient is φ = 3668352.

The previous prime is 11143243. The next prime is 11143259. The reversal of 11143248 is 84234111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143243) 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, 2586 + ... + 5382.

Almost surely, 211143248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14571984).

11143248 is an abundant number, since it is smaller than the sum of its proper divisors (18000720).

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

11143248 is a wasteful number, since it uses less digits than its factorization.

11143248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2885 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 11143248 is about 3338.1503860671. The cubic root of 11143248 is about 223.3592445370.

Adding to 11143248 its reverse (84234111), we get a palindrome (95377359).

The spelling of 11143248 in words is "eleven million, one hundred forty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 83 166 249 332 498 664 996 1328 1992 2797 3984 5594 8391 11188 16782 22376 33564 44752 67128 134256 232151 464302 696453 928604 1392906 1857208 2785812 3714416 5571624 11143248