Base | Representation |
---|---|
bin | 1001100110000… |
… | …00010001001111 |
3 | 12121102202212020 |
4 | 10303000101033 |
5 | 131100314221 |
6 | 11552541223 |
7 | 1665030363 |
oct | 463002117 |
9 | 177382766 |
10 | 80479311 |
11 | 41479330 |
12 | 22b51813 |
13 | 1389a5c3 |
14 | a98d2a3 |
15 | 70eaac6 |
hex | 4cc044f |
80479311 has 8 divisors (see below), whose sum is σ = 117060864. Its totient is φ = 48775320.
The previous prime is 80479291. The next prime is 80479327. The reversal of 80479311 is 11397408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80479311 - 25 = 80479279 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2438767 = 80479311 / (8 + 0 + 4 + 7 + 9 + 3 + 1 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80479111) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1219351 + ... + 1219416.
It is an arithmetic number, because the mean of its divisors is an integer number (14632608).
Almost surely, 280479311 is an apocalyptic number.
80479311 is a deficient number, since it is larger than the sum of its proper divisors (36581553).
80479311 is a wasteful number, since it uses less digits than its factorization.
80479311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2438781.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 80479311 is about 8971.0261954806. The cubic root of 80479311 is about 431.7457619722.
The spelling of 80479311 in words is "eighty million, four hundred seventy-nine thousand, three hundred eleven".
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