Base | Representation |
---|---|
bin | 1001100100000… |
… | …01001001010011 |
3 | 12120221122012002 |
4 | 10302001021103 |
5 | 131014031010 |
6 | 11543224215 |
7 | 1662602516 |
oct | 462011123 |
9 | 176848162 |
10 | 80220755 |
11 | 4131204a |
12 | 22a4806b |
13 | 13809a04 |
14 | a922d7d |
15 | 70991a5 |
hex | 4c81253 |
80220755 has 8 divisors (see below), whose sum is σ = 101331600. Its totient is φ = 60798816.
The previous prime is 80220743. The next prime is 80220779. The reversal of 80220755 is 55702208.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80220755 - 26 = 80220691 is a prime.
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, 422120 + ... + 422309.
It is an arithmetic number, because the mean of its divisors is an integer number (12666450).
Almost surely, 280220755 is an apocalyptic number.
80220755 is a deficient number, since it is larger than the sum of its proper divisors (21110845).
80220755 is a wasteful number, since it uses less digits than its factorization.
80220755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844453.
The product of its (nonzero) digits is 5600, while the sum is 29.
The square root of 80220755 is about 8956.6039881196. The cubic root of 80220755 is about 431.2829092018.
The spelling of 80220755 in words is "eighty million, two hundred twenty thousand, seven hundred fifty-five".
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