Base | Representation |
---|---|
bin | 1001100011111… |
… | …00110100111010 |
3 | 12120220201220221 |
4 | 10301330310322 |
5 | 131012444231 |
6 | 11543010254 |
7 | 1662500116 |
oct | 461746472 |
9 | 176821827 |
10 | 80203066 |
11 | 412aa829 |
12 | 22a3998a |
13 | 13801948 |
14 | a91a746 |
15 | 7093d11 |
hex | 4c7cd3a |
80203066 has 32 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 36811440.
The previous prime is 80203061. The next prime is 80203069. The reversal of 80203066 is 66030208.
It is a self number, because there is not a number n which added to its sum of digits gives 80203066.
It is not an unprimeable number, because it can be changed into a prime (80203061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185871 + ... + 186301.
It is an arithmetic number, because the mean of its divisors is an integer number (4082400).
Almost surely, 280203066 is an apocalyptic number.
80203066 is a deficient number, since it is larger than the sum of its proper divisors (50433734).
80203066 is a wasteful number, since it uses less digits than its factorization.
80203066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 594.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 80203066 is about 8955.6164500273. The cubic root of 80203066 is about 431.2512069980.
The spelling of 80203066 in words is "eighty million, two hundred three thousand, sixty-six".
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