Base | Representation |
---|---|
bin | 1001100100111… |
… | …01000000111001 |
3 | 12121011102202212 |
4 | 10302131000321 |
5 | 131031204110 |
6 | 11545504505 |
7 | 1663556360 |
oct | 462350071 |
9 | 177142685 |
10 | 80334905 |
11 | 4138a892 |
12 | 22aa2135 |
13 | 13849961 |
14 | a9527d7 |
15 | 70bce05 |
hex | 4c9d039 |
80334905 has 16 divisors (see below), whose sum is σ = 110657664. Its totient is φ = 54844800.
The previous prime is 80334887. The next prime is 80334937. The reversal of 80334905 is 50943308.
It is not a de Polignac number, because 80334905 - 26 = 80334841 is a prime.
It is a super-2 number, since 2×803349052 = 12907393922718050, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230 + ... + 13080.
It is an arithmetic number, because the mean of its divisors is an integer number (6916104).
Almost surely, 280334905 is an apocalyptic number.
It is an amenable number.
80334905 is a deficient number, since it is larger than the sum of its proper divisors (30322759).
80334905 is a wasteful number, since it uses less digits than its factorization.
80334905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10096.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 80334905 is about 8962.9741157721. The cubic root of 80334905 is about 431.4873767011.
The spelling of 80334905 in words is "eighty million, three hundred thirty-four thousand, nine hundred five".
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