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11281027 = 41275147
BaseRepresentation
bin101011000010…
…001010000011
3210020010122211
4223002022003
510341443102
61041442551
7164613202
oct53021203
923203584
1011281027
11640566a
123940457
13244c984
1416d9239
15ecc7d7
hexac2283

11281027 has 4 divisors (see below), whose sum is σ = 11556216. Its totient is φ = 11005840.

The previous prime is 11281019. The next prime is 11281031. The reversal of 11281027 is 72018211.

11281027 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72018211 = 711014341.

It is a cyclic number.

It is not a de Polignac number, because 11281027 - 23 = 11281019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11280989 and 11281007.

It is not an unprimeable number, because it can be changed into a prime (11281037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137533 + ... + 137614.

It is an arithmetic number, because the mean of its divisors is an integer number (2889054).

Almost surely, 211281027 is an apocalyptic number.

11281027 is a deficient number, since it is larger than the sum of its proper divisors (275189).

11281027 is an equidigital number, since it uses as much as digits as its factorization.

11281027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275188.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11281027 is about 3358.7240136695. The cubic root of 11281027 is about 224.2760401639.

Adding to 11281027 its reverse (72018211), we get a palindrome (83299238).

The spelling of 11281027 in words is "eleven million, two hundred eighty-one thousand, twenty-seven".

Divisors: 1 41 275147 11281027