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11031133 = 31521683
BaseRepresentation
bin101010000101…
…001001011101
3202202102212111
4222011021131
510310444013
61032234021
7162522511
oct52051135
922672774
1011031133
116254943
12383b911
132392cc9
141672141
15e7d73d
hexa8525d

11031133 has 8 divisors (see below), whose sum is σ = 11425536. Its totient is φ = 10639200.

The previous prime is 11031121. The next prime is 11031161. The reversal of 11031133 is 33113011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-11031133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15810 + ... + 16492.

It is an arithmetic number, because the mean of its divisors is an integer number (1428192).

Almost surely, 211031133 is an apocalyptic number.

It is an amenable number.

11031133 is a deficient number, since it is larger than the sum of its proper divisors (394403).

11031133 is an equidigital number, since it uses as much as digits as its factorization.

11031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 11031133 is about 3321.3149504376. The cubic root of 11031133 is about 222.6076270956.

Adding to 11031133 its reverse (33113011), we get a palindrome (44144144).

The spelling of 11031133 in words is "eleven million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 31 521 683 16151 21173 355843 11031133