Base | Representation |
---|---|
bin | 1001100011011… |
… | …10001101111100 |
3 | 12120210200211201 |
4 | 10301232031330 |
5 | 131004040403 |
6 | 11541425244 |
7 | 1662130504 |
oct | 461561574 |
9 | 176720751 |
10 | 80143228 |
11 | 41269880 |
12 | 22a0b224 |
13 | 137b0639 |
14 | a902a04 |
15 | 708121d |
hex | 4c6e37c |
80143228 has 24 divisors (see below), whose sum is σ = 156562560. Its totient is φ = 35580720.
The previous prime is 80143207. The next prime is 80143229. The reversal of 80143228 is 82234108.
It is a junction number, because it is equal to n+sod(n) for n = 80143196 and 80143205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80143229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19288 + ... + 23071.
It is an arithmetic number, because the mean of its divisors is an integer number (6523440).
Almost surely, 280143228 is an apocalyptic number.
It is an amenable number.
80143228 is a deficient number, since it is larger than the sum of its proper divisors (76419332).
80143228 is a wasteful number, since it uses less digits than its factorization.
80143228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42417 (or 42415 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 80143228 is about 8952.2750181169. The cubic root of 80143228 is about 431.1439308415.
The spelling of 80143228 in words is "eighty million, one hundred forty-three thousand, two hundred twenty-eight".
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