Base | Representation |
---|---|
bin | 1001101000110… |
… | …00111001101101 |
3 | 12122010012212002 |
4 | 10310120321231 |
5 | 131143423344 |
6 | 12004422045 |
7 | 2001101660 |
oct | 464307155 |
9 | 178105762 |
10 | 80842349 |
11 | 416a7065 |
12 | 230a7925 |
13 | 13996913 |
14 | aa456d7 |
15 | 716d44e |
hex | 4d18e6d |
80842349 has 8 divisors (see below), whose sum is σ = 93430080. Its totient is φ = 68514336.
The previous prime is 80842297. The next prime is 80842351. The reversal of 80842349 is 94324808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80842349 - 212 = 80838253 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80842049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64259 + ... + 65504.
It is an arithmetic number, because the mean of its divisors is an integer number (11678760).
Almost surely, 280842349 is an apocalyptic number.
80842349 is a gapful number since it is divisible by the number (89) formed by its first and last digit.
It is an amenable number.
80842349 is a deficient number, since it is larger than the sum of its proper divisors (12587731).
80842349 is a wasteful number, since it uses less digits than its factorization.
80842349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129859.
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 80842349 is about 8991.2373453268. The cubic root of 80842349 is about 432.3939825011.
The spelling of 80842349 in words is "eighty million, eight hundred forty-two thousand, three hundred forty-nine".
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