Base | Representation |
---|---|
bin | 1001100010111… |
… | …10000000111101 |
3 | 12120200022210200 |
4 | 10301132000331 |
5 | 130444424421 |
6 | 11540154113 |
7 | 1661433144 |
oct | 461360075 |
9 | 176608720 |
10 | 80076861 |
11 | 41223a27 |
12 | 22998939 |
13 | 13789377 |
14 | a8c675b |
15 | 706b726 |
hex | 4c5e03d |
80076861 has 12 divisors (see below), whose sum is σ = 118128192. Its totient is φ = 52248456.
The previous prime is 80076833. The next prime is 80076881. The reversal of 80076861 is 16867008.
It is not a de Polignac number, because 80076861 - 26 = 80076797 is a prime.
It is a super-2 number, since 2×800768612 = 12824607335226642, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80076881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94231 + ... + 95076.
It is an arithmetic number, because the mean of its divisors is an integer number (9844016).
Almost surely, 280076861 is an apocalyptic number.
It is an amenable number.
80076861 is a deficient number, since it is larger than the sum of its proper divisors (38051331).
80076861 is a wasteful number, since it uses less digits than its factorization.
80076861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189360 (or 189357 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 80076861 is about 8948.5675389975. The cubic root of 80076861 is about 431.0248871743.
The spelling of 80076861 in words is "eighty million, seventy-six thousand, eight hundred sixty-one".
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