Base | Representation |
---|---|
bin | 1001100101000… |
… | …00100101001110 |
3 | 12121012011211002 |
4 | 10302200211032 |
5 | 131032141033 |
6 | 11550100302 |
7 | 1663650104 |
oct | 462404516 |
9 | 177164732 |
10 | 80349518 |
11 | 4139a867 |
12 | 22aaa692 |
13 | 138534c2 |
14 | a957c74 |
15 | 70c23e8 |
hex | 4ca094e |
80349518 has 8 divisors (see below), whose sum is σ = 126867720. Its totient is φ = 38060280.
The previous prime is 80349509. The next prime is 80349539. The reversal of 80349518 is 81594308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 2114461 = 80349518 / (8 + 0 + 3 + 4 + 9 + 5 + 1 + 8).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057193 + ... + 1057268.
It is an arithmetic number, because the mean of its divisors is an integer number (15858465).
Almost surely, 280349518 is an apocalyptic number.
80349518 is a deficient number, since it is larger than the sum of its proper divisors (46518202).
80349518 is a wasteful number, since it uses less digits than its factorization.
80349518 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2114482.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 80349518 is about 8963.7892657068. The cubic root of 80349518 is about 431.5135377775.
The spelling of 80349518 in words is "eighty million, three hundred forty-nine thousand, five hundred eighteen".
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