Search a number
-
+
13418185 = 51117113127
BaseRepresentation
bin110011001011…
…111011001001
3221020201021211
4303023323021
511413340220
61155333121
7222024034
oct63137311
927221254
1013418185
117635310
1245b11a1
132a1a671
141ad401b
1512a0b5a
hexccbec9

13418185 has 32 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 9031680.

The previous prime is 13418183. The next prime is 13418189. The reversal of 13418185 is 58181431.

It is not a de Polignac number, because 13418185 - 21 = 13418183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13418183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105592 + ... + 105718.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 213418185 is an apocalyptic number.

It is an amenable number.

13418185 is a deficient number, since it is larger than the sum of its proper divisors (5493047).

13418185 is a wasteful number, since it uses less digits than its factorization.

13418185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 3840, while the sum is 31.

The square root of 13418185 is about 3663.0840831190. The cubic root of 13418185 is about 237.6281708918.

The spelling of 13418185 in words is "thirteen million, four hundred eighteen thousand, one hundred eighty-five".

Divisors: 1 5 11 17 55 85 113 127 187 565 635 935 1243 1397 1921 2159 6215 6985 9605 10795 14351 21131 23749 71755 105655 118745 157861 243967 789305 1219835 2683637 13418185