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11280893 = 133747499
BaseRepresentation
bin101011000010…
…000111111101
3210020010110212
4223002013331
510341442033
61041442205
7164612621
oct53020775
923203425
1011280893
116405558
123940365
13244c8b0
1416d9181
15ecc748
hexac21fd

11280893 has 16 divisors (see below), whose sum is σ = 12768000. Its totient is φ = 9896256.

The previous prime is 11280883. The next prime is 11280937. The reversal of 11280893 is 39808211.

It is a cyclic number.

It is not a de Polignac number, because 11280893 - 28 = 11280637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280883) 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 15 ways as a sum of consecutive naturals, for example, 22358 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (798000).

Almost surely, 211280893 is an apocalyptic number.

11280893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11280893 is a deficient number, since it is larger than the sum of its proper divisors (1487107).

11280893 is a wasteful number, since it uses less digits than its factorization.

11280893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 11280893 is about 3358.7040655586. The cubic root of 11280893 is about 224.2751521506.

The spelling of 11280893 in words is "eleven million, two hundred eighty thousand, eight hundred ninety-three".

Divisors: 1 13 37 47 481 499 611 1739 6487 18463 22607 23453 240019 304889 867761 11280893