Base | Representation |
---|---|
bin | 1001101001111… |
… | …01110100001100 |
3 | 12122101220021001 |
4 | 10310331310030 |
5 | 131213243143 |
6 | 12011550044 |
7 | 2002301536 |
oct | 464756414 |
9 | 178356231 |
10 | 80993548 |
11 | 4179a719 |
12 | 2315b324 |
13 | 13a1a69c |
14 | aa84856 |
15 | 719d14d |
hex | 4d3dd0c |
80993548 has 12 divisors (see below), whose sum is σ = 144141480. Its totient is φ = 39810272.
The previous prime is 80993537. The next prime is 80993611. The reversal of 80993548 is 84539908.
It is a junction number, because it is equal to n+sod(n) for n = 80993498 and 80993507.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171361 + ... + 171832.
It is an arithmetic number, because the mean of its divisors is an integer number (12011790).
Almost surely, 280993548 is an apocalyptic number.
It is an amenable number.
80993548 is a deficient number, since it is larger than the sum of its proper divisors (63147932).
80993548 is a wasteful number, since it uses less digits than its factorization.
80993548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 343256 (or 343254 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 46.
The square root of 80993548 is about 8999.6415484174. The cubic root of 80993548 is about 432.6633826462.
The spelling of 80993548 in words is "eighty million, nine hundred ninety-three thousand, five hundred forty-eight".
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