Search a number
-
+
13282618 = 216374057
BaseRepresentation
bin110010101010…
…110100111010
3220222211022211
4302222310322
511400020433
61152405334
7220620556
oct62526472
926884284
1013282618
117552478
12454684a
1329a0a4b
141a9a866
1512758cd
hexcaad3a

13282618 has 8 divisors (see below), whose sum is σ = 19941012. Its totient is φ = 6635616.

The previous prime is 13282613. The next prime is 13282637. The reversal of 13282618 is 81628231.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 1151329 = 3483^2 + 1073^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13282618.

It is not an unprimeable number, because it can be changed into a prime (13282613) 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, 1246 + ... + 5302.

Almost surely, 213282618 is an apocalyptic number.

13282618 is a deficient number, since it is larger than the sum of its proper divisors (6658394).

13282618 is a wasteful number, since it uses less digits than its factorization.

13282618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696.

The product of its digits is 4608, while the sum is 31.

The square root of 13282618 is about 3644.5326174971. The cubic root of 13282618 is about 236.8251899221.

The spelling of 13282618 in words is "thirteen million, two hundred eighty-two thousand, six hundred eighteen".

Divisors: 1 2 1637 3274 4057 8114 6641309 13282618