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11280884 = 2229791231
BaseRepresentation
bin101011000010…
…000111110100
3210020010110112
4223002013310
510341442014
61041442152
7164612606
oct53020764
923203415
1011280884
11640554a
123940358
13244c8a4
1416d9176
15ecc73e
hexac21f4

11280884 has 24 divisors (see below), whose sum is σ = 20697600. Its totient is φ = 5372640.

The previous prime is 11280883. The next prime is 11280937. The reversal of 11280884 is 48808211.

It is a self number, because there is not a number n which added to its sum of digits gives 11280884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280881) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8549 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (862400).

Almost surely, 211280884 is an apocalyptic number.

It is an amenable number.

11280884 is a deficient number, since it is larger than the sum of its proper divisors (9416716).

11280884 is a wasteful number, since it uses less digits than its factorization.

11280884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 11280884 is about 3358.7027257559. The cubic root of 11280884 is about 224.2750925076.

The spelling of 11280884 in words is "eleven million, two hundred eighty thousand, eight hundred eighty-four".

Divisors: 1 2 4 29 58 79 116 158 316 1231 2291 2462 4582 4924 9164 35699 71398 97249 142796 194498 388996 2820221 5640442 11280884