Base | Representation |
---|---|
bin | 101111011010… |
… | …101101001010 |
3 | 212101111222002 |
4 | 233122231022 |
5 | 11140231104 |
6 | 1122231002 |
7 | 210440342 |
oct | 57325512 |
9 | 25344862 |
10 | 12430154 |
11 | 701aa60 |
12 | 41b5462 |
13 | 2762a29 |
14 | 1917d22 |
15 | 115801e |
hex | bdab4a |
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".
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