Search a number
-
+
12225185 = 57349291
BaseRepresentation
bin101110101000…
…101010100001
3212000002210122
4232220222201
511112201220
61114010025
7205624640
oct56505241
925002718
1012225185
11699aa65
124116915
1326c064b
1418a3357
151117425
hexba8aa1

12225185 has 8 divisors (see below), whose sum is σ = 16766016. Its totient is φ = 8382960.

The previous prime is 12225179. The next prime is 12225197. The reversal of 12225185 is 58152221.

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

It is not a de Polignac number, because 12225185 - 212 = 12221089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 174611 + ... + 174680.

It is an arithmetic number, because the mean of its divisors is an integer number (2095752).

Almost surely, 212225185 is an apocalyptic number.

It is an amenable number.

12225185 is a deficient number, since it is larger than the sum of its proper divisors (4540831).

12225185 is an equidigital number, since it uses as much as digits as its factorization.

12225185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349303.

The product of its digits is 1600, while the sum is 26.

The square root of 12225185 is about 3496.4532028900. The cubic root of 12225185 is about 230.3660522679.

The spelling of 12225185 in words is "twelve million, two hundred twenty-five thousand, one hundred eighty-five".

Divisors: 1 5 7 35 349291 1746455 2445037 12225185