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11123253 = 321772701
BaseRepresentation
bin101010011011…
…101000110101
3202221010020100
4222123220311
510321421003
61034224313
7163355211
oct52335065
922833210
1011123253
116308079
123885099
1323c5c0b
141697941
15e9aba3
hexa9ba35

11123253 has 12 divisors (see below), whose sum is σ = 17012268. Its totient is φ = 6979200.

The previous prime is 11123251. The next prime is 11123263. The reversal of 11123253 is 35232111.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 3849444 = 2697^2 + 1962^2 .

It is not a de Polignac number, because 11123253 - 21 = 11123251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123251) 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 11 ways as a sum of consecutive naturals, for example, 36198 + ... + 36503.

It is an arithmetic number, because the mean of its divisors is an integer number (1417689).

Almost surely, 211123253 is an apocalyptic number.

It is an amenable number.

11123253 is a deficient number, since it is larger than the sum of its proper divisors (5889015).

11123253 is a wasteful number, since it uses less digits than its factorization.

11123253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72724 (or 72721 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11123253 is about 3335.1541193774. The cubic root of 11123253 is about 223.2255689096.

Adding to 11123253 its reverse (35232111), we get a palindrome (46355364).

The spelling of 11123253 in words is "eleven million, one hundred twenty-three thousand, two hundred fifty-three".

Divisors: 1 3 9 17 51 153 72701 218103 654309 1235917 3707751 11123253