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13316365 = 52991837
BaseRepresentation
bin110010110011…
…000100001101
3221001112121201
4302303010031
511402110430
61153225501
7221121136
oct62630415
927045551
1013316365
117575867
124562291
1329b320a
141aa8c8d
1512808ca
hexcb310d

13316365 has 8 divisors (see below), whose sum is σ = 16530840. Its totient is φ = 10285632.

The previous prime is 13316353. The next prime is 13316371. The reversal of 13316365 is 56361331.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 12823561 = 702^2 + 3581^2 .

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 13316365 - 213 = 13308173 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45774 + ... + 46063.

It is an arithmetic number, because the mean of its divisors is an integer number (2066355).

Almost surely, 213316365 is an apocalyptic number.

It is an amenable number.

13316365 is a deficient number, since it is larger than the sum of its proper divisors (3214475).

13316365 is an equidigital number, since it uses as much as digits as its factorization.

13316365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91871.

The product of its digits is 4860, while the sum is 28.

The square root of 13316365 is about 3649.1594922667. The cubic root of 13316365 is about 237.0255866789.

Adding to 13316365 its reverse (56361331), we get a palindrome (69677696).

The spelling of 13316365 in words is "thirteen million, three hundred sixteen thousand, three hundred sixty-five".

Divisors: 1 5 29 145 91837 459185 2663273 13316365