Base | Representation |
---|---|
bin | 1001100100011… |
… | …00001111110100 |
3 | 12121000221120021 |
4 | 10302030033310 |
5 | 131022004403 |
6 | 11544214524 |
7 | 1663152220 |
oct | 462141764 |
9 | 177027507 |
10 | 80266228 |
11 | 41343229 |
12 | 22a6a444 |
13 | 13824613 |
14 | a935780 |
15 | 70a78bd |
hex | 4c8c3f4 |
80266228 has 36 divisors (see below), whose sum is σ = 167846560. Its totient is φ = 32898096.
The previous prime is 80266213. The next prime is 80266237. The reversal of 80266228 is 82266208.
It is a junction number, because it is equal to n+sod(n) for n = 80266193 and 80266202.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 12103 + ... + 17521.
Almost surely, 280266228 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80266228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83923280).
80266228 is an abundant number, since it is smaller than the sum of its proper divisors (87580332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80266228 is a wasteful number, since it uses less digits than its factorization.
80266228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5476 (or 5451 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 80266228 is about 8959.1421464334. The cubic root of 80266228 is about 431.3643844729.
The spelling of 80266228 in words is "eighty million, two hundred sixty-six thousand, two hundred twenty-eight".
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