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13087382 = 2711174999
BaseRepresentation
bin110001111011…
…001010010110
3220121220111212
4301323022112
511322244012
61144301422
7216145430
oct61731226
926556455
1013087382
117429820
124471872
132932c19
141a49650
151237b22
hexc7b296

13087382 has 32 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 4798080.

The previous prime is 13087379. The next prime is 13087387. The reversal of 13087382 is 28378031.

It is a super-2 number, since 2×130873822 = 342559135227848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13087387) 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 15 ways as a sum of consecutive naturals, for example, 119 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 213087382 is an apocalyptic number.

13087382 is a deficient number, since it is larger than the sum of its proper divisors (12832618).

13087382 is a wasteful number, since it uses less digits than its factorization.

13087382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 13087382 is about 3617.6486838829. The cubic root of 13087382 is about 235.6591243698.

The spelling of 13087382 in words is "thirteen million, eighty-seven thousand, three hundred eighty-two".

Divisors: 1 2 7 11 14 17 22 34 77 119 154 187 238 374 1309 2618 4999 9998 34993 54989 69986 84983 109978 169966 384923 594881 769846 934813 1189762 1869626 6543691 13087382