Search a number
-
+
12320024 = 231540003
BaseRepresentation
bin101110111111…
…110100011000
3212011220220012
4232333310120
511123220044
61120021052
7206501303
oct56776430
925156805
1012320024
116a55242
124161788
132724872
1418c9b3a
15113559e
hexbbfd18

12320024 has 8 divisors (see below), whose sum is σ = 23100060. Its totient is φ = 6160008.

The previous prime is 12320023. The next prime is 12320047. The reversal of 12320024 is 42002321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12319990 and 12320008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769994 + ... + 770009.

Almost surely, 212320024 is an apocalyptic number.

It is an amenable number.

12320024 is a deficient number, since it is larger than the sum of its proper divisors (10780036).

12320024 is a wasteful number, since it uses less digits than its factorization.

12320024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540009 (or 1540005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12320024 is about 3509.9891737725. The cubic root of 12320024 is about 230.9602200323.

Adding to 12320024 its reverse (42002321), we get a palindrome (54322345).

The spelling of 12320024 in words is "twelve million, three hundred twenty thousand, twenty-four".

Divisors: 1 2 4 8 1540003 3080006 6160012 12320024