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BaseRepresentation
bin101010000011…
…001011111101
3202202000212000
4222003023331
510310214401
61032132513
7162460215
oct52031375
922660760
1011023101
116249901
123837139
13238c45b
14166d245
15e7b186
hexa832fd

11023101 has 8 divisors (see below), whose sum is σ = 16330560. Its totient is φ = 7348716.

The previous prime is 11023091. The next prime is 11023109. The reversal of 11023101 is 10132011.

It is not a de Polignac number, because 11023101 - 25 = 11023069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023109) 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 7 ways as a sum of consecutive naturals, for example, 204105 + ... + 204158.

It is an arithmetic number, because the mean of its divisors is an integer number (2041320).

Almost surely, 211023101 is an apocalyptic number.

It is an amenable number.

11023101 is a deficient number, since it is larger than the sum of its proper divisors (5307459).

11023101 is an equidigital number, since it uses as much as digits as its factorization.

11023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408272 (or 408266 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11023101 is about 3320.1055706107. The cubic root of 11023101 is about 222.5535855451.

Adding to 11023101 its reverse (10132011), we get a palindrome (21155112).

The spelling of 11023101 in words is "eleven million, twenty-three thousand, one hundred one".

Divisors: 1 3 9 27 408263 1224789 3674367 11023101