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11087393 = 19230713
BaseRepresentation
bin101010010010…
…111000100001
3202212022001012
4222102320201
510314244033
61033350305
7163145522
oct52227041
922768035
1011087393
116293139
123868395
1323b27b5
141688849
15e90248
hexa92e21

11087393 has 6 divisors (see below), whose sum is σ = 11702034. Its totient is φ = 10503504.

The previous prime is 11087387. The next prime is 11087407. The reversal of 11087393 is 39378011.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 283024 = 3287^2 + 532^2 .

It is not a de Polignac number, because 11087393 - 28 = 11087137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14996 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (1950339).

Almost surely, 211087393 is an apocalyptic number.

It is an amenable number.

11087393 is a deficient number, since it is larger than the sum of its proper divisors (614641).

11087393 is an equidigital number, since it uses as much as digits as its factorization.

11087393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30751 (or 30732 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 11087393 is about 3329.7737160354. The cubic root of 11087393 is about 222.9854267324.

The spelling of 11087393 in words is "eleven million, eighty-seven thousand, three hundred ninety-three".

Divisors: 1 19 361 30713 583547 11087393