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11680523 = 23350131
BaseRepresentation
bin101100100011…
…101100001011
3210222102122222
4230203230023
510442234043
61054204255
7201166001
oct54435413
923872588
1011680523
116658828
123ab368b
13255c76a
1417a0a71
15105ad68
hexb23b0b

11680523 has 4 divisors (see below), whose sum is σ = 11730888. Its totient is φ = 11630160.

The previous prime is 11680519. The next prime is 11680577. The reversal of 11680523 is 32508611.

11680523 is nontrivially palindromic in base 14.

11680523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32508611 = 229141959.

It is a cyclic number.

It is not a de Polignac number, because 11680523 - 22 = 11680519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11680492 and 11680501.

It is not an unprimeable number, because it can be changed into a prime (11683523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24833 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (2932722).

Almost surely, 211680523 is an apocalyptic number.

11680523 is a deficient number, since it is larger than the sum of its proper divisors (50365).

11680523 is an equidigital number, since it uses as much as digits as its factorization.

11680523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50364.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 11680523 is about 3417.6780129205. The cubic root of 11680523 is about 226.8928252633.

The spelling of 11680523 in words is "eleven million, six hundred eighty thousand, five hundred twenty-three".

Divisors: 1 233 50131 11680523