Base | Representation |
---|---|
bin | 1001101000100… |
… | …00000101100110 |
3 | 12122001101022221 |
4 | 10310100011212 |
5 | 131141244441 |
6 | 12003542554 |
7 | 2000561503 |
oct | 464200546 |
9 | 178041287 |
10 | 80806246 |
11 | 41681a24 |
12 | 2308aa5a |
13 | 13983361 |
14 | aa364aa |
15 | 71628d1 |
hex | 4d10166 |
80806246 has 4 divisors (see below), whose sum is σ = 121209372. Its totient is φ = 40403122.
The previous prime is 80806217. The next prime is 80806247. The reversal of 80806246 is 64260808.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×808062462 = 13059298785225032, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80806247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201560 + ... + 20201563.
It is an arithmetic number, because the mean of its divisors is an integer number (30302343).
Almost surely, 280806246 is an apocalyptic number.
80806246 is a deficient number, since it is larger than the sum of its proper divisors (40403126).
80806246 is a wasteful number, since it uses less digits than its factorization.
80806246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40403125.
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 80806246 is about 8989.2294441737. The cubic root of 80806246 is about 432.3296059932.
The spelling of 80806246 in words is "eighty million, eight hundred six thousand, two hundred forty-six".
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