Search a number
-
+
13285810 = 258316007
BaseRepresentation
bin110010101011…
…100110110010
3220222222201001
4302223212302
511400121220
61152432214
7220633066
oct62534662
926888631
1013285810
11755490a
12454866a
1329a2335
141a9baa6
15127680a
hexcab9b2

13285810 has 16 divisors (see below), whose sum is σ = 24204096. Its totient is φ = 5249968.

The previous prime is 13285793. The next prime is 13285817. The reversal of 13285810 is 1858231.

It is a super-2 number, since 2×132858102 = 353025494712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13285817) 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 7 ways as a sum of consecutive naturals, for example, 7174 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (1512756).

Almost surely, 213285810 is an apocalyptic number.

13285810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13285810 is a deficient number, since it is larger than the sum of its proper divisors (10918286).

13285810 is a wasteful number, since it uses less digits than its factorization.

13285810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13285810 is about 3644.9705074253. The cubic root of 13285810 is about 236.8441592111.

The spelling of 13285810 in words is "thirteen million, two hundred eighty-five thousand, eight hundred ten".

Divisors: 1 2 5 10 83 166 415 830 16007 32014 80035 160070 1328581 2657162 6642905 13285810