Base | Representation |
---|---|
bin | 1001101000100… |
… | …00101001010010 |
3 | 12122001111110112 |
4 | 10310100221102 |
5 | 131141333110 |
6 | 12004001322 |
7 | 2000601245 |
oct | 464205122 |
9 | 178044415 |
10 | 80808530 |
11 | 41683710 |
12 | 23090242 |
13 | 139843ca |
14 | aa3725c |
15 | 7163405 |
hex | 4d10a52 |
80808530 has 32 divisors (see below), whose sum is σ = 161293248. Its totient is φ = 28900800.
The previous prime is 80808509. The next prime is 80808571. The reversal of 80808530 is 3580808.
It is a happy 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, 689 + ... + 12731.
It is an arithmetic number, because the mean of its divisors is an integer number (5040414).
Almost surely, 280808530 is an apocalyptic number.
80808530 is a deficient number, since it is larger than the sum of its proper divisors (80484718).
80808530 is a wasteful number, since it uses less digits than its factorization.
80808530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12122.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 80808530 is about 8989.3564841984. The cubic root of 80808530 is about 432.3336792407. Note that the first 3 decimals are identical.
The spelling of 80808530 in words is "eighty million, eight hundred eight thousand, five hundred thirty".
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