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11385489 = 37153453
BaseRepresentation
bin101011011011…
…101010010001
3210102102221210
4223123222101
510403313424
61044010333
7165526563
oct53335221
923372853
1011385489
1164770a5
1239909a9
13248839b
141725333
15eed729
hexadba91

11385489 has 8 divisors (see below), whose sum is σ = 15394752. Its totient is φ = 7483280.

The previous prime is 11385481. The next prime is 11385509. The reversal of 11385489 is 98458311.

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 11385489 - 23 = 11385481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11385481) 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 7 ways as a sum of consecutive naturals, for example, 26514 + ... + 26939.

It is an arithmetic number, because the mean of its divisors is an integer number (1924344).

Almost surely, 211385489 is an apocalyptic number.

It is an amenable number.

11385489 is a deficient number, since it is larger than the sum of its proper divisors (4009263).

11385489 is an equidigital number, since it uses as much as digits as its factorization.

11385489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53527.

The product of its digits is 34560, while the sum is 39.

The square root of 11385489 is about 3374.2390253211. The cubic root of 11385489 is about 224.9661776321.

The spelling of 11385489 in words is "eleven million, three hundred eighty-five thousand, four hundred eighty-nine".

Divisors: 1 3 71 213 53453 160359 3795163 11385489