Base | Representation |
---|---|
bin | 1001101001111… |
… | …01110010111010 |
3 | 12122101220011000 |
4 | 10310331302322 |
5 | 131213242331 |
6 | 12011545430 |
7 | 2002301361 |
oct | 464756272 |
9 | 178356130 |
10 | 80993466 |
11 | 4179a654 |
12 | 2315b276 |
13 | 13a1a638 |
14 | aa847d8 |
15 | 719d0e6 |
hex | 4d3dcba |
80993466 has 32 divisors (see below), whose sum is σ = 189460800. Its totient is φ = 25576560.
The previous prime is 80993461. The next prime is 80993503. The reversal of 80993466 is 66439908.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (80993461) 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, 38445 + ... + 40496.
It is an arithmetic number, because the mean of its divisors is an integer number (5920650).
Almost surely, 280993466 is an apocalyptic number.
80993466 is an abundant number, since it is smaller than the sum of its proper divisors (108467334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80993466 is a wasteful number, since it uses less digits than its factorization.
80993466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78971 (or 78965 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 45.
The square root of 80993466 is about 8999.6369926792. The cubic root of 80993466 is about 432.6632366328.
It can be divided in two parts, 809934 and 66, that added together give a 4-th power (810000 = 304).
The spelling of 80993466 in words is "eighty million, nine hundred ninety-three thousand, four hundred sixty-six".
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