Base | Representation |
---|---|
bin | 1001100101111… |
… | …00110100001101 |
3 | 12121102001110022 |
4 | 10302330310031 |
5 | 131044341130 |
6 | 11552351525 |
7 | 1664641214 |
oct | 462746415 |
9 | 177361408 |
10 | 80465165 |
11 | 41469740 |
12 | 22b455a5 |
13 | 13894031 |
14 | a98807b |
15 | 70e67e5 |
hex | 4cbcd0d |
80465165 has 32 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 53708800.
The previous prime is 80465149. The next prime is 80465197. The reversal of 80465165 is 56156408.
It is a happy number.
It is not a de Polignac number, because 80465165 - 24 = 80465149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37286 + ... + 39384.
It is an arithmetic number, because the mean of its divisors is an integer number (3572100).
Almost surely, 280465165 is an apocalyptic number.
80465165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
80465165 is a deficient number, since it is larger than the sum of its proper divisors (33842035).
80465165 is a wasteful number, since it uses less digits than its factorization.
80465165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2173.
The product of its (nonzero) digits is 28800, while the sum is 35.
The square root of 80465165 is about 8970.2377337504. The cubic root of 80465165 is about 431.7204642348.
The spelling of 80465165 in words is "eighty million, four hundred sixty-five thousand, one hundred sixty-five".
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