Base | Representation |
---|---|
bin | 1001100110001… |
… | …00001111000011 |
3 | 12121110121010212 |
4 | 10303010033003 |
5 | 131101324210 |
6 | 11553144335 |
7 | 1665125630 |
oct | 463041703 |
9 | 177417125 |
10 | 80495555 |
11 | 4148a558 |
12 | 22b5b0ab |
13 | 138a4b0a |
14 | a995187 |
15 | 7100805 |
hex | 4cc43c3 |
80495555 has 8 divisors (see below), whose sum is σ = 110393952. Its totient is φ = 55196928.
The previous prime is 80495551. The next prime is 80495557. The reversal of 80495555 is 55559408.
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 80495555 - 22 = 80495551 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80495551) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149902 + ... + 1149971.
It is an arithmetic number, because the mean of its divisors is an integer number (13799244).
Almost surely, 280495555 is an apocalyptic number.
80495555 is a deficient number, since it is larger than the sum of its proper divisors (29898397).
80495555 is a wasteful number, since it uses less digits than its factorization.
80495555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2299885.
The product of its (nonzero) digits is 180000, while the sum is 41.
The square root of 80495555 is about 8971.9315088781. The cubic root of 80495555 is about 431.7748079729.
The spelling of 80495555 in words is "eighty million, four hundred ninety-five thousand, five hundred fifty-five".
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