Search a number
-
+
13185902 = 212751913
BaseRepresentation
bin110010010011…
…001101101110
3220210220122202
4302103031232
511333422102
61150341502
7220035602
oct62231556
926726582
1013185902
117496844
1244ba892
132968a12
141a73502
151256e02
hexc9336e

13185902 has 8 divisors (see below), whose sum is σ = 19934976. Its totient is φ = 6540912.

The previous prime is 13185901. The next prime is 13185911. The reversal of 13185902 is 20958131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13185901) 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 3 ways as a sum of consecutive naturals, for example, 25703 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (2491872).

Almost surely, 213185902 is an apocalyptic number.

13185902 is a deficient number, since it is larger than the sum of its proper divisors (6749074).

13185902 is a wasteful number, since it uses less digits than its factorization.

13185902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52042.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13185902 is about 3631.2397332041. The cubic root of 13185902 is about 236.2489831335.

The spelling of 13185902 in words is "thirteen million, one hundred eighty-five thousand, nine hundred two".

Divisors: 1 2 127 254 51913 103826 6592951 13185902