Base | Representation |
---|---|
bin | 1001100010111… |
… | …10000000101101 |
3 | 12120200022210002 |
4 | 10301132000231 |
5 | 130444424340 |
6 | 11540154045 |
7 | 1661433122 |
oct | 461360055 |
9 | 176608702 |
10 | 80076845 |
11 | 41223a12 |
12 | 22998925 |
13 | 13789364 |
14 | a8c6749 |
15 | 706b715 |
hex | 4c5e02d |
80076845 has 8 divisors (see below), whose sum is σ = 96241560. Its totient is φ = 63961920.
The previous prime is 80076833. The next prime is 80076881. The reversal of 80076845 is 54867008.
It can be written as a sum of positive squares in 4 ways, for example, as 5098564 + 74978281 = 2258^2 + 8659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80076845 - 28 = 80076589 is a prime.
It is a super-2 number, since 2×800768452 = 12824602210308050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80076799 and 80076808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8810 + ... + 15419.
It is an arithmetic number, because the mean of its divisors is an integer number (12030195).
Almost surely, 280076845 is an apocalyptic number.
It is an amenable number.
80076845 is a deficient number, since it is larger than the sum of its proper divisors (16164715).
80076845 is a wasteful number, since it uses less digits than its factorization.
80076845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24895.
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 80076845 is about 8948.5666449996. The cubic root of 80076845 is about 431.0248584669.
The spelling of 80076845 in words is "eighty million, seventy-six thousand, eight hundred forty-five".
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