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11730887 = 73745293
BaseRepresentation
bin101100101111…
…111111000111
3211001222202022
4230233333013
511000342022
61055233355
7201465560
oct54577707
924058668
1011730887
116692653
123b1885b
13257966c
1417b5167
15106ac42
hexb2ffc7

11730887 has 8 divisors (see below), whose sum is σ = 13769376. Its totient is φ = 9783072.

The previous prime is 11730857. The next prime is 11730893. The reversal of 11730887 is 78803711.

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 11730887 - 220 = 10682311 is a prime.

It is a super-2 number, since 2×117308872 = 275227419613538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22388 + ... + 22905.

It is an arithmetic number, because the mean of its divisors is an integer number (1721172).

Almost surely, 211730887 is an apocalyptic number.

11730887 is a deficient number, since it is larger than the sum of its proper divisors (2038489).

11730887 is an equidigital number, since it uses as much as digits as its factorization.

11730887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45337.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 11730887 is about 3425.0382479616. The cubic root of 11730887 is about 227.2184626664.

The spelling of 11730887 in words is "eleven million, seven hundred thirty thousand, eight hundred eighty-seven".

Divisors: 1 7 37 259 45293 317051 1675841 11730887