Base | Representation |
---|---|
bin | 1001100011111… |
… | …11100000101000 |
3 | 12120221021222222 |
4 | 10301333200220 |
5 | 131013322211 |
6 | 11543133212 |
7 | 1662544136 |
oct | 461774050 |
9 | 176837888 |
10 | 80214056 |
11 | 4130800a |
12 | 22a44208 |
13 | 13806950 |
14 | a920756 |
15 | 70971db |
hex | 4c7f828 |
80214056 has 16 divisors (see below), whose sum is σ = 161970900. Its totient is φ = 37021824.
The previous prime is 80214047. The next prime is 80214061. The reversal of 80214056 is 65041208.
It can be written as a sum of positive squares in 2 ways, for example, as 80102500 + 111556 = 8950^2 + 334^2 .
It is a super-3 number, since 3×802140563 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385541 + ... + 385748.
Almost surely, 280214056 is an apocalyptic number.
It is an amenable number.
80214056 is an abundant number, since it is smaller than the sum of its proper divisors (81756844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80214056 is a wasteful number, since it uses less digits than its factorization.
80214056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771308 (or 771304 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 80214056 is about 8956.2300104452. The cubic root of 80214056 is about 431.2709038106.
The spelling of 80214056 in words is "eighty million, two hundred fourteen thousand, fifty-six".
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