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13055487 = 337117617
BaseRepresentation
bin110001110011…
…010111111111
3220120021202120
4301303113333
511320233422
61143454023
7215653434
oct61632777
926507676
1013055487
117407865
124457313
132921553
141a3bb8b
15122d45c
hexc735ff

13055487 has 8 divisors (see below), whose sum is σ = 17877936. Its totient is φ = 8468352.

The previous prime is 13055477. The next prime is 13055501. The reversal of 13055487 is 78455031.

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

It is not a de Polignac number, because 13055487 - 212 = 13051391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055417) 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, 58698 + ... + 58919.

It is an arithmetic number, because the mean of its divisors is an integer number (2234742).

Almost surely, 213055487 is an apocalyptic number.

13055487 is a deficient number, since it is larger than the sum of its proper divisors (4822449).

13055487 is a wasteful number, since it uses less digits than its factorization.

13055487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117657.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 13055487 is about 3613.2377447381. The cubic root of 13055487 is about 235.4675285759.

The spelling of 13055487 in words is "thirteen million, fifty-five thousand, four hundred eighty-seven".

Divisors: 1 3 37 111 117617 352851 4351829 13055487