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13885306 = 241313541
BaseRepresentation
bin110100111101…
…111101111010
3222010110001121
4310331331322
512023312211
61213335454
7226010641
oct64757572
928113047
1013885306
117924266
12479758a
132b52176
141bb6358
151344271
hexd3df7a

13885306 has 16 divisors (see below), whose sum is σ = 21443688. Its totient is φ = 6739200.

The previous prime is 13885301. The next prime is 13885309. The reversal of 13885306 is 60358831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3094081 + 10791225 = 1759^2 + 3285^2 .

It is not an unprimeable number, because it can be changed into a prime (13885301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25396 + ... + 25936.

Almost surely, 213885306 is an apocalyptic number.

13885306 is a deficient number, since it is larger than the sum of its proper divisors (7558382).

13885306 is a wasteful number, since it uses less digits than its factorization.

13885306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13885306 is about 3726.2992365080. The cubic root of 13885306 is about 240.3542569271.

The spelling of 13885306 in words is "thirteen million, eight hundred eighty-five thousand, three hundred six".

Divisors: 1 2 41 82 313 541 626 1082 12833 22181 25666 44362 169333 338666 6942653 13885306