Base | Representation |
---|---|
bin | 1001101000000… |
… | …01111010100111 |
3 | 12121221102201001 |
4 | 10310001322213 |
5 | 131132420244 |
6 | 12002414131 |
7 | 2000230330 |
oct | 464017247 |
9 | 177842631 |
10 | 80748199 |
11 | 41642354 |
12 | 23061347 |
13 | 13962acc |
14 | aa1d287 |
15 | 71505d4 |
hex | 4d01ea7 |
80748199 has 8 divisors (see below), whose sum is σ = 93661568. Its totient is φ = 68179320.
The previous prime is 80748179. The next prime is 80748257. The reversal of 80748199 is 99184708.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80748199 - 27 = 80748071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80748139) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 85617 + ... + 86554.
It is an arithmetic number, because the mean of its divisors is an integer number (11707696).
Almost surely, 280748199 is an apocalyptic number.
80748199 is a deficient number, since it is larger than the sum of its proper divisors (12913369).
80748199 is a wasteful number, since it uses less digits than its factorization.
80748199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172245.
The product of its (nonzero) digits is 145152, while the sum is 46.
The square root of 80748199 is about 8986.0001669263. Note that the first 3 decimals coincide. The cubic root of 80748199 is about 432.2260601686.
The spelling of 80748199 in words is "eighty million, seven hundred forty-eight thousand, one hundred ninety-nine".
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