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11230489 = 17660617
BaseRepresentation
bin101010110101…
…110100011001
3210010120100001
4222311310121
510333333424
61040413001
7164312644
oct52656431
923116301
1011230489
1163806a6
123917161
13243297a
1416c4a5b
15ebc844
hexab5d19

11230489 has 4 divisors (see below), whose sum is σ = 11891124. Its totient is φ = 10569856.

The previous prime is 11230487. The next prime is 11230519. The reversal of 11230489 is 98403211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 7590025 = 1908^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230489 - 21 = 11230487 is a prime.

It is a super-2 number, since 2×112304892 = 252247766358242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11230487) 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 3 ways as a sum of consecutive naturals, for example, 330292 + ... + 330325.

It is an arithmetic number, because the mean of its divisors is an integer number (2972781).

Almost surely, 211230489 is an apocalyptic number.

It is an amenable number.

11230489 is a deficient number, since it is larger than the sum of its proper divisors (660635).

11230489 is an equidigital number, since it uses as much as digits as its factorization.

11230489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660634.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11230489 is about 3351.1921759278. The cubic root of 11230489 is about 223.9406265364.

The spelling of 11230489 in words is "eleven million, two hundred thirty thousand, four hundred eighty-nine".

Divisors: 1 17 660617 11230489