Base | Representation |
---|---|
bin | 1001101000101… |
… | …10010100111010 |
3 | 12122002200101110 |
4 | 10310112110322 |
5 | 131143104202 |
6 | 12004301150 |
7 | 2001026142 |
oct | 464262472 |
9 | 178080343 |
10 | 80831802 |
11 | 4169a147 |
12 | 230a17b6 |
13 | 13991b8c |
14 | aa41922 |
15 | 716a26c |
hex | 4d1653a |
80831802 has 8 divisors (see below), whose sum is σ = 161663616. Its totient is φ = 26943932.
The previous prime is 80831783. The next prime is 80831819. The reversal of 80831802 is 20813808.
It is a sphenic number, since it is the product of 3 distinct primes.
80831802 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 80831802.
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 3 ways as a sum of consecutive naturals, for example, 6735978 + ... + 6735989.
It is an arithmetic number, because the mean of its divisors is an integer number (20207952).
Almost surely, 280831802 is an apocalyptic number.
80831802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80831802 is a wasteful number, since it uses less digits than its factorization.
80831802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13471972.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 80831802 is about 8990.6508107033. The cubic root of 80831802 is about 432.3751777627.
The spelling of 80831802 in words is "eighty million, eight hundred thirty-one thousand, eight hundred two".
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