Search a number
-
+
13189862 = 278311351
BaseRepresentation
bin110010010100…
…001011100110
3220211010002102
4302110023212
511334033422
61150412102
7220053260
oct62241346
926733072
1013189862
117499814
124501032
13296a76a
141a74b30
151258192
hexc942e6

13189862 has 16 divisors (see below), whose sum is σ = 22885632. Its totient is φ = 5584200.

The previous prime is 13189861. The next prime is 13189901. The reversal of 13189862 is 26898131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13189861) 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, 4514 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (1430352).

Almost surely, 213189862 is an apocalyptic number.

13189862 is a deficient number, since it is larger than the sum of its proper divisors (9695770).

13189862 is a wasteful number, since it uses less digits than its factorization.

13189862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11443.

The product of its digits is 20736, while the sum is 38.

The square root of 13189862 is about 3631.7849605944. The cubic root of 13189862 is about 236.2726309237.

The spelling of 13189862 in words is "thirteen million, one hundred eighty-nine thousand, eight hundred sixty-two".

Divisors: 1 2 7 14 83 166 581 1162 11351 22702 79457 158914 942133 1884266 6594931 13189862