Base | Representation |
---|---|
bin | 101111100110… |
… | …111001001110 |
3 | 212111001110010 |
4 | 233212321032 |
5 | 11143330303 |
6 | 1123254050 |
7 | 211036032 |
oct | 57467116 |
9 | 25431403 |
10 | 12480078 |
11 | 7054516 |
12 | 421a326 |
13 | 277c680 |
14 | 192c1c2 |
15 | 1167c03 |
hex | be6e4e |
12480078 has 16 divisors (see below), whose sum is σ = 26880336. Its totient is φ = 3840000.
The previous prime is 12480049. The next prime is 12480089. The reversal of 12480078 is 87008421.
It is a congruent number.
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, 79923 + ... + 80078.
It is an arithmetic number, because the mean of its divisors is an integer number (1680021).
Almost surely, 212480078 is an apocalyptic number.
12480078 is an abundant number, since it is smaller than the sum of its proper divisors (14400258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12480078 is a wasteful number, since it uses less digits than its factorization.
12480078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160019.
The product of its (nonzero) digits is 3584, while the sum is 30.
The square root of 12480078 is about 3532.7153862150. The cubic root of 12480078 is about 231.9560831458.
Adding to 12480078 its reverse (87008421), we get a palindrome (99488499).
It can be divided in two parts, 124800 and 78, that multiplied together give a square (9734400 = 31202).
The spelling of 12480078 in words is "twelve million, four hundred eighty thousand, seventy-eight".
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