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13003090 = 251300309
BaseRepresentation
bin110001100110…
…100101010010
3220110121212221
4301212211102
511312044330
61142411254
7215344612
oct61464522
926417787
1013003090
117381461
124430b2a
132903749
141a26a42
15121cb7a
hexc66952

13003090 has 8 divisors (see below), whose sum is σ = 23405580. Its totient is φ = 5201232.

The previous prime is 13003061. The next prime is 13003091. The reversal of 13003090 is 9030031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 450241 = 3543^2 + 671^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13003091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650145 + ... + 650164.

Almost surely, 213003090 is an apocalyptic number.

13003090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13003090 is a deficient number, since it is larger than the sum of its proper divisors (10402490).

13003090 is a wasteful number, since it uses less digits than its factorization.

13003090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300316.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 13003090 is about 3605.9797559055. The cubic root of 13003090 is about 235.1520971018.

The spelling of 13003090 in words is "thirteen million, three thousand, ninety".

Divisors: 1 2 5 10 1300309 2600618 6501545 13003090