Search a number
-
+
13258198 = 217389947
BaseRepresentation
bin110010100100…
…110111010110
3220221120211101
4302210313112
511343230243
61152100314
7220456432
oct62446726
926846741
1013258198
117536098
12453469a
1329928b5
141a919c2
15126d54d
hexca4dd6

13258198 has 8 divisors (see below), whose sum is σ = 21057192. Its totient is φ = 6239136.

The previous prime is 13258163. The next prime is 13258199. The reversal of 13258198 is 89185231.

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 (13258199) 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, 194940 + ... + 195007.

It is an arithmetic number, because the mean of its divisors is an integer number (2632149).

Almost surely, 213258198 is an apocalyptic number.

13258198 is a deficient number, since it is larger than the sum of its proper divisors (7798994).

13258198 is a wasteful number, since it uses less digits than its factorization.

13258198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389966.

The product of its digits is 17280, while the sum is 37.

The square root of 13258198 is about 3641.1808524159. The cubic root of 13258198 is about 236.6799670720.

It can be divided in two parts, 13258 and 198, that added together give a square (13456 = 1162).

The spelling of 13258198 in words is "thirteen million, two hundred fifty-eight thousand, one hundred ninety-eight".

Divisors: 1 2 17 34 389947 779894 6629099 13258198