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11281030 = 251766359
BaseRepresentation
bin101011000010…
…001010000110
3210020010122221
4223002022012
510341443110
61041442554
7164613205
oct53021206
923203587
1011281030
116405672
12394045a
13244c987
1416d923c
15ecc7da
hexac2286

11281030 has 16 divisors (see below), whose sum is σ = 21500640. Its totient is φ = 4246912.

The previous prime is 11281019. The next prime is 11281031. The reversal of 11281030 is 3018211.

It is a junction number, because it is equal to n+sod(n) for n = 11280995 and 11281013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33010 + ... + 33349.

It is an arithmetic number, because the mean of its divisors is an integer number (1343790).

Almost surely, 211281030 is an apocalyptic number.

11281030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11281030 is a deficient number, since it is larger than the sum of its proper divisors (10219610).

11281030 is a wasteful number, since it uses less digits than its factorization.

11281030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66383.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11281030 is about 3358.7244602676. The cubic root of 11281030 is about 224.2760600447.

Adding to 11281030 its reverse (3018211), we get a palindrome (14299241).

The spelling of 11281030 in words is "eleven million, two hundred eighty-one thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 66359 132718 331795 663590 1128103 2256206 5640515 11281030