Base | Representation |
---|---|
bin | 1001100011111… |
… | …10001110100001 |
3 | 12120221000210100 |
4 | 10301332032201 |
5 | 131013140201 |
6 | 11543053013 |
7 | 1662522621 |
oct | 461761641 |
9 | 176830710 |
10 | 80208801 |
11 | 41304072 |
12 | 22a41169 |
13 | 1380443a |
14 | a91c881 |
15 | 7095886 |
hex | 4c7e3a1 |
80208801 has 12 divisors (see below), whose sum is σ = 116172628. Its totient is φ = 53326944.
The previous prime is 80208787. The next prime is 80208827. The reversal of 80208801 is 10880208.
It can be written as a sum of positive squares in 2 ways, for example, as 60840000 + 19368801 = 7800^2 + 4401^2 .
It is not a de Polignac number, because 80208801 - 219 = 79684513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80208841) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8590 + ... + 15303.
Almost surely, 280208801 is an apocalyptic number.
It is an amenable number.
80208801 is a deficient number, since it is larger than the sum of its proper divisors (35963827).
80208801 is a wasteful number, since it uses less digits than its factorization.
80208801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24272 (or 24269 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 80208801 is about 8955.9366344342. The cubic root of 80208801 is about 431.2614857684.
The spelling of 80208801 in words is "eighty million, two hundred eight thousand, eight hundred one".
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