Base | Representation |
---|---|
bin | 1001100111101… |
… | …11011110111001 |
3 | 12121212021002022 |
4 | 10303313132321 |
5 | 131130033330 |
6 | 12001444225 |
7 | 1666661621 |
oct | 463673671 |
9 | 177767068 |
10 | 80705465 |
11 | 41613235 |
12 | 23040675 |
13 | 13949519 |
14 | aa0b881 |
15 | 7142ae5 |
hex | 4cf77b9 |
80705465 has 8 divisors (see below), whose sum is σ = 98013888. Its totient is φ = 63786160.
The previous prime is 80705447. The next prime is 80705479. The reversal of 80705465 is 56450708.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80705465 - 216 = 80639929 is a prime.
It is a Duffinian 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, 96821 + ... + 97650.
It is an arithmetic number, because the mean of its divisors is an integer number (12251736).
Almost surely, 280705465 is an apocalyptic number.
It is an amenable number.
80705465 is a deficient number, since it is larger than the sum of its proper divisors (17308423).
80705465 is a wasteful number, since it uses less digits than its factorization.
80705465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194559.
The product of its (nonzero) digits is 33600, while the sum is 35.
The square root of 80705465 is about 8983.6220423613. The cubic root of 80705465 is about 432.1497983735.
The spelling of 80705465 in words is "eighty million, seven hundred five thousand, four hundred sixty-five".
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