Base | Representation |
---|---|
bin | 1001100101100… |
… | …11110111001010 |
3 | 12121100012010222 |
4 | 10302303313022 |
5 | 131042202430 |
6 | 11551510042 |
7 | 1664426252 |
oct | 462636712 |
9 | 177305128 |
10 | 80428490 |
11 | 4144412a |
12 | 22b28322 |
13 | 1388042c |
14 | a978962 |
15 | 70da9e5 |
hex | 4cb3dca |
80428490 has 16 divisors (see below), whose sum is σ = 148138848. Its totient is φ = 31423056.
The previous prime is 80428487. The next prime is 80428529. The reversal of 80428490 is 9482408.
It is a self number, because there is not a number n which added to its sum of digits gives 80428490.
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, 93092 + ... + 93951.
It is an arithmetic number, because the mean of its divisors is an integer number (9258678).
Almost surely, 280428490 is an apocalyptic number.
80428490 is a deficient number, since it is larger than the sum of its proper divisors (67710358).
80428490 is a wasteful number, since it uses less digits than its factorization.
80428490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187093.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 80428490 is about 8968.1932405585. The cubic root of 80428490 is about 431.6548633661.
The spelling of 80428490 in words is "eighty million, four hundred twenty-eight thousand, four hundred ninety".
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