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13086049 = 37353677
BaseRepresentation
bin110001111010…
…110101100001
3220121211200111
4301322311201
511322223144
61144251321
7216141514
oct61726541
926554614
1013086049
117428819
124470b41
132932432
141a48d7b
151237534
hexc7ad61

13086049 has 4 divisors (see below), whose sum is σ = 13439764. Its totient is φ = 12732336.

The previous prime is 13086037. The next prime is 13086067. The reversal of 13086049 is 94068031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 589824 = 3535^2 + 768^2 .

It is a cyclic number.

It is not a de Polignac number, because 13086049 - 27 = 13085921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13086049.

It is not an unprimeable number, because it can be changed into a prime (13086019) 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, 176802 + ... + 176875.

It is an arithmetic number, because the mean of its divisors is an integer number (3359941).

Almost surely, 213086049 is an apocalyptic number.

It is an amenable number.

13086049 is a deficient number, since it is larger than the sum of its proper divisors (353715).

13086049 is an equidigital number, since it uses as much as digits as its factorization.

13086049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353714.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13086049 is about 3617.4644435018. The cubic root of 13086049 is about 235.6511231699.

The spelling of 13086049 in words is "thirteen million, eighty-six thousand, forty-nine".

Divisors: 1 37 353677 13086049