Base | Representation |
---|---|
bin | 1001100110011… |
… | …00101101111000 |
3 | 12121112100210120 |
4 | 10303030231320 |
5 | 131103432141 |
6 | 11554013240 |
7 | 1665332130 |
oct | 463145570 |
9 | 177470716 |
10 | 80530296 |
11 | 41503670 |
12 | 22b77220 |
13 | 138b7882 |
14 | a9a3ac0 |
15 | 710ac66 |
hex | 4cccb78 |
80530296 has 64 divisors (see below), whose sum is σ = 251009280. Its totient is φ = 20916480.
The previous prime is 80530283. The next prime is 80530297. The reversal of 80530296 is 69203508.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80530297) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19941 + ... + 23636.
It is an arithmetic number, because the mean of its divisors is an integer number (3922020).
Almost surely, 280530296 is an apocalyptic number.
It is an amenable number.
80530296 is an abundant number, since it is smaller than the sum of its proper divisors (170478984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80530296 is a wasteful number, since it uses less digits than its factorization.
80530296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43604 (or 43600 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 80530296 is about 8973.8673937160. The cubic root of 80530296 is about 431.8369154649.
The spelling of 80530296 in words is "eighty million, five hundred thirty thousand, two hundred ninety-six".
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