Base | Representation |
---|---|
bin | 1001100101100… |
… | …10111011001000 |
3 | 12121022222212200 |
4 | 10302302323020 |
5 | 131042042043 |
6 | 11551440200 |
7 | 1664412123 |
oct | 462627310 |
9 | 177288780 |
10 | 80424648 |
11 | 41441257 |
12 | 22b26060 |
13 | 1387b765 |
14 | a9773ba |
15 | 70d97d3 |
hex | 4cb2ec8 |
80424648 has 24 divisors (see below), whose sum is σ = 217816950. Its totient is φ = 26808192.
The previous prime is 80424613. The next prime is 80424653. The reversal of 80424648 is 84642408.
80424648 is a `hidden beast` number, since 8 + 0 + 4 + 2 + 4 + 648 = 666.
It can be written as a sum of positive squares in only one way, i.e., 69255684 + 11168964 = 8322^2 + 3342^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558433 + ... + 558576.
Almost surely, 280424648 is an apocalyptic number.
It is an amenable number.
80424648 is an abundant number, since it is smaller than the sum of its proper divisors (137392302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80424648 is a wasteful number, since it uses less digits than its factorization.
80424648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1117021 (or 1117014 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 36.
The square root of 80424648 is about 8967.9790365500. The cubic root of 80424648 is about 431.6479899958.
It can be divided in two parts, 804 and 24648, that added together give a palindrome (25452).
The spelling of 80424648 in words is "eighty million, four hundred twenty-four thousand, six hundred forty-eight".
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