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11710709 = 89131581
BaseRepresentation
bin101100101011…
…000011110101
3211000222001222
4230223003311
510444220314
61055000125
7201353003
oct54530365
924028058
1011710709
11667947a
123b09045
13257041a
1417aba73
151064c8e
hexb2b0f5

11710709 has 4 divisors (see below), whose sum is σ = 11842380. Its totient is φ = 11579040.

The previous prime is 11710697. The next prime is 11710753. The reversal of 11710709 is 90701711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90701711 = 277327443.

It can be written as a sum of positive squares in 2 ways, for example, as 2316484 + 9394225 = 1522^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 11710709 - 28 = 11710453 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 (11710799) 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, 65702 + ... + 65879.

It is an arithmetic number, because the mean of its divisors is an integer number (2960595).

Almost surely, 211710709 is an apocalyptic number.

It is an amenable number.

11710709 is a deficient number, since it is larger than the sum of its proper divisors (131671).

11710709 is an equidigital number, since it uses as much as digits as its factorization.

11710709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131670.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 11710709 is about 3422.0913196465. The cubic root of 11710709 is about 227.0881103354.

The spelling of 11710709 in words is "eleven million, seven hundred ten thousand, seven hundred nine".

Divisors: 1 89 131581 11710709