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11128248 = 23321271217
BaseRepresentation
bin101010011100…
…110110111000
3202221101002100
4222130312320
510322100443
61034303400
7163405605
oct52346670
922841070
1011128248
1163108aa
123887b60
1323c8281
1416996ac
15e9c3d3
hexa9cdb8

11128248 has 48 divisors (see below), whose sum is σ = 30401280. Its totient is φ = 3677184.

The previous prime is 11128241. The next prime is 11128259. The reversal of 11128248 is 84282111.

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 (11128241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8536 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (633360).

Almost surely, 211128248 is an apocalyptic number.

11128248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11128248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15200640).

11128248 is an abundant number, since it is smaller than the sum of its proper divisors (19273032).

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

11128248 is a wasteful number, since it uses less digits than its factorization.

11128248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1349 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 11128248 is about 3335.9028762840. The cubic root of 11128248 is about 223.2589777471.

The spelling of 11128248 in words is "eleven million, one hundred twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 127 254 381 508 762 1016 1143 1217 1524 2286 2434 3048 3651 4572 4868 7302 9144 9736 10953 14604 21906 29208 43812 87624 154559 309118 463677 618236 927354 1236472 1391031 1854708 2782062 3709416 5564124 11128248