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11230165 = 52817993
BaseRepresentation
bin101010110101…
…101111010101
3210010112220001
4222311233111
510333331130
61040411301
7164312002
oct52655725
923115801
1011230165
116380431
123916b31
13243278b
1416c48a9
15ebc6ca
hexab5bd5

11230165 has 8 divisors (see below), whose sum is σ = 13525848. Its totient is φ = 8951040.

The previous prime is 11230157. The next prime is 11230169. The reversal of 11230165 is 56103211.

It can be written as a sum of positive squares in 4 ways, for example, as 320356 + 10909809 = 566^2 + 3303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11230165 - 23 = 11230157 is a prime.

It is a super-2 number, since 2×112301652 = 252233211854450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230169) 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, 2592 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (1690731).

Almost surely, 211230165 is an apocalyptic number.

It is an amenable number.

11230165 is a deficient number, since it is larger than the sum of its proper divisors (2295683).

11230165 is an equidigital number, since it uses as much as digits as its factorization.

11230165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11230165 is about 3351.1438345735. The cubic root of 11230165 is about 223.9384729507.

Adding to 11230165 its reverse (56103211), we get a palindrome (67333376).

The spelling of 11230165 in words is "eleven million, two hundred thirty thousand, one hundred sixty-five".

Divisors: 1 5 281 1405 7993 39965 2246033 11230165