Base | Representation |
---|---|
bin | 1001100101010… |
… | …00011010101000 |
3 | 12121020210211121 |
4 | 10302220122220 |
5 | 131034202413 |
6 | 11550505024 |
7 | 1664142466 |
oct | 462503250 |
9 | 177223747 |
10 | 80381608 |
11 | 4141198a |
12 | 22b05174 |
13 | 13864ca8 |
14 | a965836 |
15 | 70cbb8d |
hex | 4ca86a8 |
80381608 has 16 divisors (see below), whose sum is σ = 151382880. Its totient is φ = 40012848.
The previous prime is 80381603. The next prime is 80381617. The reversal of 80381608 is 80618308.
It is a super-2 number, since 2×803816082 = 12922405809331328, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (80381603) 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 in 3 ways as a sum of consecutive naturals, for example, 20316 + ... + 23947.
It is an arithmetic number, because the mean of its divisors is an integer number (9461430).
Almost surely, 280381608 is an apocalyptic number.
It is an amenable number.
80381608 is a deficient number, since it is larger than the sum of its proper divisors (71001272).
80381608 is a wasteful number, since it uses less digits than its factorization.
80381608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44496 (or 44492 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 80381608 is about 8965.5790666303. The cubic root of 80381608 is about 431.5709761075.
The spelling of 80381608 in words is "eighty million, three hundred eighty-one thousand, six hundred eight".
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