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13141806 = 2319115279
BaseRepresentation
bin110010001000…
…011100101110
3220201200011120
4302020130232
511331014211
61145401410
7216463206
oct62103456
926650146
1013141806
1174666a7
124499266
132951922
141a61406
151248d06
hexc8872e

13141806 has 16 divisors (see below), whose sum is σ = 27667200. Its totient is φ = 4150008.

The previous prime is 13141801. The next prime is 13141819. The reversal of 13141806 is 60814131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13141801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57526 + ... + 57753.

It is an arithmetic number, because the mean of its divisors is an integer number (1729200).

Almost surely, 213141806 is an apocalyptic number.

13141806 is an abundant number, since it is smaller than the sum of its proper divisors (14525394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13141806 is a wasteful number, since it uses less digits than its factorization.

13141806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115303.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 13141806 is about 3625.1628928918. The cubic root of 13141806 is about 235.9853361568.

Adding to 13141806 its reverse (60814131), we get a palindrome (73955937).

The spelling of 13141806 in words is "thirteen million, one hundred forty-one thousand, eight hundred six".

Divisors: 1 2 3 6 19 38 57 114 115279 230558 345837 691674 2190301 4380602 6570903 13141806