Base | Representation |
---|---|
bin | 1001100100110… |
… | …10010110010110 |
3 | 12121010212210121 |
4 | 10302122112112 |
5 | 131030331430 |
6 | 11545342154 |
7 | 1663512505 |
oct | 462322626 |
9 | 177125717 |
10 | 80323990 |
11 | 4138266a |
12 | 22a9795a |
13 | 138449b6 |
14 | a94c83c |
15 | 70b9a7a |
hex | 4c9a596 |
80323990 has 8 divisors (see below), whose sum is σ = 144583200. Its totient is φ = 32129592.
The previous prime is 80323973. The next prime is 80324009. The reversal of 80323990 is 9932308.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 4016190 + ... + 4016209.
It is an arithmetic number, because the mean of its divisors is an integer number (18072900).
Almost surely, 280323990 is an apocalyptic number.
80323990 is a deficient number, since it is larger than the sum of its proper divisors (64259210).
80323990 is a wasteful number, since it uses less digits than its factorization.
80323990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8032406.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 80323990 is about 8962.3652012178. The cubic root of 80323990 is about 431.4678339381.
The spelling of 80323990 in words is "eighty million, three hundred twenty-three thousand, nine hundred ninety".
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