Base | Representation |
---|---|
bin | 1001100110001… |
… | …10111000000000 |
3 | 12121111010222100 |
4 | 10303012320000 |
5 | 131102200433 |
6 | 11553310400 |
7 | 1665202305 |
oct | 463067000 |
9 | 177433870 |
10 | 80506368 |
11 | 41497698 |
12 | 22b65400 |
13 | 138a9a07 |
14 | a9990ac |
15 | 7103b13 |
hex | 4cc6e00 |
80506368 has 60 divisors (see below), whose sum is σ = 232360128. Its totient is φ = 26833920.
The previous prime is 80506357. The next prime is 80506369. The reversal of 80506368 is 86360508.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80506369) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4128 + ... + 13343.
Almost surely, 280506368 is an apocalyptic number.
It is an amenable number.
80506368 is an abundant number, since it is smaller than the sum of its proper divisors (151853760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80506368 is a wasteful number, since it uses less digits than its factorization.
80506368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17495 (or 17476 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 80506368 is about 8972.5340902111. The cubic root of 80506368 is about 431.7941406013.
The spelling of 80506368 in words is "eighty million, five hundred six thousand, three hundred sixty-eight".
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