Search a number
-
+
13284285 = 357126517
BaseRepresentation
bin110010101011…
…001110111101
3220222220121120
4302223032331
511400044120
61152421153
7220625460
oct62531675
926886546
1013284285
117553753
1245477b9
1329a1731
141a9b2d7
151276140
hexcab3bd

13284285 has 16 divisors (see below), whose sum is σ = 24291456. Its totient is φ = 6072768.

The previous prime is 13284283. The next prime is 13284289. The reversal of 13284285 is 58248231.

It is not a de Polignac number, because 13284285 - 21 = 13284283 is a prime.

It is a super-2 number, since 2×132842852 = 352944455922450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13284281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63154 + ... + 63363.

It is an arithmetic number, because the mean of its divisors is an integer number (1518216).

Almost surely, 213284285 is an apocalyptic number.

13284285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13284285 is a deficient number, since it is larger than the sum of its proper divisors (11007171).

13284285 is a wasteful number, since it uses less digits than its factorization.

13284285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126532.

The product of its digits is 15360, while the sum is 33.

The square root of 13284285 is about 3644.7613090572. The cubic root of 13284285 is about 236.8350968816.

The spelling of 13284285 in words is "thirteen million, two hundred eighty-four thousand, two hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 126517 379551 632585 885619 1897755 2656857 4428095 13284285