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11395681 = 115931747
BaseRepresentation
bin101011011110…
…001001100001
3210102221221021
4223132021201
510404130211
61044125441
7165601363
oct53361141
923387837
1011395681
116483820
123996881
13248cc0b
141728d33
151001771
hexade261

11395681 has 8 divisors (see below), whose sum is σ = 12459744. Its totient is φ = 10336320.

The previous prime is 11395639. The next prime is 11395691. The reversal of 11395681 is 18659311.

11395681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11395681 - 29 = 11395169 is a prime.

It is a super-2 number, since 2×113956812 = 259723090907522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11395621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (1557468).

Almost surely, 211395681 is an apocalyptic number.

11395681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11395681 is a deficient number, since it is larger than the sum of its proper divisors (1064063).

11395681 is a wasteful number, since it uses less digits than its factorization.

11395681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its digits is 6480, while the sum is 34.

The square root of 11395681 is about 3375.7489539360. The cubic root of 11395681 is about 225.0332856106.

The spelling of 11395681 in words is "eleven million, three hundred ninety-five thousand, six hundred eighty-one".

Divisors: 1 11 593 1747 6523 19217 1035971 11395681