Search a number
-
+
12230618 = 223265883
BaseRepresentation
bin101110101001…
…111111011010
3212000101020212
4232221333122
511112334433
61114051122
7205646531
oct56517732
925011225
1012230618
1169a4054
124119aa2
1326c2c6a
1418a5318
151118d48
hexba9fda

12230618 has 8 divisors (see below), whose sum is σ = 19143648. Its totient is φ = 5849404.

The previous prime is 12230611. The next prime is 12230629. The reversal of 12230618 is 81603221.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 12230593 and 12230602.

It is not an unprimeable number, because it can be changed into a prime (12230611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132896 + ... + 132987.

It is an arithmetic number, because the mean of its divisors is an integer number (2392956).

Almost surely, 212230618 is an apocalyptic number.

12230618 is a deficient number, since it is larger than the sum of its proper divisors (6913030).

12230618 is a wasteful number, since it uses less digits than its factorization.

12230618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265908.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12230618 is about 3497.2300467656. The cubic root of 12230618 is about 230.4001729077.

Adding to 12230618 its reverse (81603221), we get a palindrome (93833839).

The spelling of 12230618 in words is "twelve million, two hundred thirty thousand, six hundred eighteen".

Divisors: 1 2 23 46 265883 531766 6115309 12230618