Base | Representation |
---|---|
bin | 110000110101… |
… | …110110100000 |
3 | 220002111002021 |
4 | 300311312200 |
5 | 11234202423 |
6 | 1134231224 |
7 | 213553645 |
oct | 60656640 |
9 | 26074067 |
10 | 12803488 |
11 | 72554a5 |
12 | 4355514 |
13 | 2863939 |
14 | 19b3dcc |
15 | 11cd95d |
hex | c35da0 |
12803488 has 12 divisors (see below), whose sum is σ = 25206930. Its totient is φ = 6401728.
The previous prime is 12803477. The next prime is 12803489. The reversal of 12803488 is 88430821.
It can be written as a sum of positive squares in only one way, i.e., 8690704 + 4112784 = 2948^2 + 2028^2 .
It is a super-2 number, since 2×128034882 = 327858609932288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12803489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200023 + ... + 200086.
Almost surely, 212803488 is an apocalyptic number.
It is an amenable number.
12803488 is a deficient number, since it is larger than the sum of its proper divisors (12403442).
12803488 is an equidigital number, since it uses as much as digits as its factorization.
12803488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400119 (or 400111 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 12803488 is about 3578.1961936149. The cubic root of 12803488 is about 233.9426649895.
The spelling of 12803488 in words is "twelve million, eight hundred three thousand, four hundred eighty-eight".
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