Search a number
-
+
12430154 = 2112919483
BaseRepresentation
bin101111011010…
…101101001010
3212101111222002
4233122231022
511140231104
61122231002
7210440342
oct57325512
925344862
1012430154
11701aa60
1241b5462
132762a29
141917d22
15115801e
hexbdab4a

12430154 has 16 divisors (see below), whose sum is σ = 21042720. Its totient is φ = 5454960.

The previous prime is 12430133. The next prime is 12430181. The reversal of 12430154 is 45103421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (1315170).

Almost surely, 212430154 is an apocalyptic number.

12430154 is a deficient number, since it is larger than the sum of its proper divisors (8612566).

12430154 is a wasteful number, since it uses less digits than its factorization.

12430154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19525.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12430154 is about 3525.6423528203. The cubic root of 12430154 is about 231.6463721734.

Adding to 12430154 its reverse (45103421), we get a palindrome (57533575).

The spelling of 12430154 in words is "twelve million, four hundred thirty thousand, one hundred fifty-four".

Divisors: 1 2 11 22 29 58 319 638 19483 38966 214313 428626 565007 1130014 6215077 12430154