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11240797 = 14937529
BaseRepresentation
bin101010111000…
…010101011101
3210011002110211
4222320111131
510334201142
61040532421
7164355001
oct52702535
923132424
1011240797
116388417
123921111
132437579
1416c8701
15ec0917
hexab855d

11240797 has 4 divisors (see below), whose sum is σ = 11249820. Its totient is φ = 11231776.

The previous prime is 11240783. The next prime is 11240807. The reversal of 11240797 is 79704211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 4239481 = 2646^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240797 - 211 = 11238749 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 (11240707) 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 3 ways as a sum of consecutive naturals, for example, 2272 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (2812455).

Almost surely, 211240797 is an apocalyptic number.

It is an amenable number.

11240797 is a deficient number, since it is larger than the sum of its proper divisors (9023).

11240797 is an equidigital number, since it uses as much as digits as its factorization.

11240797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 11240797 is about 3352.7297833258. The cubic root of 11240797 is about 224.0091208552.

The spelling of 11240797 in words is "eleven million, two hundred forty thousand, seven hundred ninety-seven".

Divisors: 1 1493 7529 11240797