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11493689 = 19604931
BaseRepresentation
bin101011110110…
…000100111001
3210121221101012
4223312010321
510420244224
61050203305
7166460204
oct53660471
923557335
1011493689
116540419
123a23535
1324c56cc
14175293b
15102080e
hexaf6139

11493689 has 4 divisors (see below), whose sum is σ = 12098640. Its totient is φ = 10888740.

The previous prime is 11493679. The next prime is 11493701. The reversal of 11493689 is 98639411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11493689 - 212 = 11489593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11493679) 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, 302447 + ... + 302484.

It is an arithmetic number, because the mean of its divisors is an integer number (3024660).

Almost surely, 211493689 is an apocalyptic number.

11493689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11493689 is a deficient number, since it is larger than the sum of its proper divisors (604951).

11493689 is an equidigital number, since it uses as much as digits as its factorization.

11493689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604950.

The product of its digits is 46656, while the sum is 41.

The square root of 11493689 is about 3390.2343576809. The cubic root of 11493689 is about 225.6765742041.

The spelling of 11493689 in words is "eleven million, four hundred ninety-three thousand, six hundred eighty-nine".

Divisors: 1 19 604931 11493689