Base | Representation |
---|---|
bin | 1001100100011… |
… | …00011001010110 |
3 | 12121000222101212 |
4 | 10302030121112 |
5 | 131022014323 |
6 | 11544221422 |
7 | 1663154051 |
oct | 462143126 |
9 | 177028355 |
10 | 80266838 |
11 | 41343733 |
12 | 22a6a872 |
13 | 13824992 |
14 | a935a98 |
15 | 70a7b78 |
hex | 4c8c656 |
80266838 has 32 divisors (see below), whose sum is σ = 129440160. Its totient is φ = 37255680.
The previous prime is 80266831. The next prime is 80266847. The reversal of 80266838 is 83866208.
It is a junction number, because it is equal to n+sod(n) for n = 80266795 and 80266804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80266831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242333 + ... + 242663.
It is an arithmetic number, because the mean of its divisors is an integer number (4045005).
Almost surely, 280266838 is an apocalyptic number.
80266838 is a deficient number, since it is larger than the sum of its proper divisors (49173322).
80266838 is a wasteful number, since it uses less digits than its factorization.
80266838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512.
The product of its (nonzero) digits is 110592, while the sum is 41.
The square root of 80266838 is about 8959.1761898067. The cubic root of 80266838 is about 431.3654772181.
The spelling of 80266838 in words is "eighty million, two hundred sixty-six thousand, eight hundred thirty-eight".
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