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11006231 = 64317117
BaseRepresentation
bin101001111111…
…000100010111
3202201011201012
4221333010113
510304144411
61031522435
7162360065
oct51770427
922634635
1011006231
116238165
12382941b
132384882
141667035
15e7618b
hexa7f117

11006231 has 4 divisors (see below), whose sum is σ = 11023992. Its totient is φ = 10988472.

The previous prime is 11006161. The next prime is 11006243. The reversal of 11006231 is 13260011.

11006231 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: 13260011 = 88315017.

It is a cyclic number.

It is not a de Polignac number, because 11006231 - 210 = 11005207 is a prime.

It is a super-2 number, since 2×110062312 = 242274241650722, 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 (11006251) 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, 7916 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (2755998).

Almost surely, 211006231 is an apocalyptic number.

11006231 is a deficient number, since it is larger than the sum of its proper divisors (17761).

11006231 is an equidigital number, since it uses as much as digits as its factorization.

11006231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11006231 is about 3317.5640159611. The cubic root of 11006231 is about 222.4399939181.

Adding to 11006231 its reverse (13260011), we get a palindrome (24266242).

The spelling of 11006231 in words is "eleven million, six thousand, two hundred thirty-one".

Divisors: 1 643 17117 11006231