Search a number
-
+
12230523 = 323159743
BaseRepresentation
bin101110101001…
…111101111011
3212000101010100
4232221331323
511112334043
61114050443
7205646334
oct56517573
925011110
1012230523
1169a3a78
124119a23
1326c2bc6
1418a528b
151118cd3
hexba9f7b

12230523 has 24 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 7746480.

The previous prime is 12230521. The next prime is 12230527. The reversal of 12230523 is 32503221.

It is not a de Polignac number, because 12230523 - 21 = 12230521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230496 and 12230505.

It is not an unprimeable number, because it can be changed into a prime (12230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16090 + ... + 16832.

It is an arithmetic number, because the mean of its divisors is an integer number (773760).

Almost surely, 212230523 is an apocalyptic number.

12230523 is a deficient number, since it is larger than the sum of its proper divisors (6339717).

12230523 is a wasteful number, since it uses less digits than its factorization.

12230523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12230523 is about 3497.2164645615. The cubic root of 12230523 is about 230.3995763700.

Adding to 12230523 its reverse (32503221), we get a palindrome (44733744).

The spelling of 12230523 in words is "twelve million, two hundred thirty thousand, five hundred twenty-three".

Divisors: 1 3 9 31 59 93 177 279 531 743 1829 2229 5487 6687 16461 23033 43837 69099 131511 207297 394533 1358947 4076841 12230523