Base | Representation |
---|---|
bin | 1001101000101… |
… | …10010110110100 |
3 | 12122002200112222 |
4 | 10310112112310 |
5 | 131143110144 |
6 | 12004301512 |
7 | 2001026405 |
oct | 464262664 |
9 | 178080488 |
10 | 80831924 |
11 | 4169a248 |
12 | 230a1898 |
13 | 13991c54 |
14 | aa419ac |
15 | 716a2ee |
hex | 4d165b4 |
80831924 has 12 divisors (see below), whose sum is σ = 141968484. Its totient is φ = 40269504.
The previous prime is 80831917. The next prime is 80831953. The reversal of 80831924 is 42913808.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 55651600 = 5018^2 + 7460^2 .
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 3 ways as a sum of consecutive naturals, for example, 35369 + ... + 37584.
It is an arithmetic number, because the mean of its divisors is an integer number (11830707).
Almost surely, 280831924 is an apocalyptic number.
It is an amenable number.
80831924 is a deficient number, since it is larger than the sum of its proper divisors (61136560).
80831924 is a wasteful number, since it uses less digits than its factorization.
80831924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73234 (or 73232 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 80831924 is about 8990.6575955266. The cubic root of 80831924 is about 432.3753952916.
The spelling of 80831924 in words is "eighty million, eight hundred thirty-one thousand, nine hundred twenty-four".
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