Base | Representation |
---|---|
bin | 1001100101111… |
… | …10001100100010 |
3 | 12121102100012200 |
4 | 10302332030202 |
5 | 131100031233 |
6 | 11552434030 |
7 | 1664663541 |
oct | 462761442 |
9 | 177370180 |
10 | 80470818 |
11 | 41472a0a |
12 | 22b48916 |
13 | 1389678c |
14 | a98a158 |
15 | 70e8313 |
hex | 4cbe322 |
80470818 has 24 divisors (see below), whose sum is σ = 175429488. Its totient is φ = 26658072.
The previous prime is 80470781. The next prime is 80470837. The reversal of 80470818 is 81807408.
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 11 ways as a sum of consecutive naturals, for example, 10780 + ... + 16647.
It is an arithmetic number, because the mean of its divisors is an integer number (7309562).
Almost surely, 280470818 is an apocalyptic number.
80470818 is an abundant number, since it is smaller than the sum of its proper divisors (94958670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80470818 is a wasteful number, since it uses less digits than its factorization.
80470818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27598 (or 27595 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The square root of 80470818 is about 8970.5528257739. The cubic root of 80470818 is about 431.7305740285.
The spelling of 80470818 in words is "eighty million, four hundred seventy thousand, eight hundred eighteen".
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