Base | Representation |
---|---|
bin | 1001100100000… |
… | …10110110100001 |
3 | 12120221222202222 |
4 | 10302002312201 |
5 | 131014241440 |
6 | 11543320425 |
7 | 1662632063 |
oct | 462026641 |
9 | 176858688 |
10 | 80227745 |
11 | 41317324 |
12 | 22a50115 |
13 | 1380cc50 |
14 | a925733 |
15 | 709b2b5 |
hex | 4c82da1 |
80227745 has 16 divisors (see below), whose sum is σ = 103973520. Its totient is φ = 59076864.
The previous prime is 80227691. The next prime is 80227751. The reversal of 80227745 is 54772208.
It can be written as a sum of positive squares in 8 ways, for example, as 9684544 + 70543201 = 3112^2 + 8399^2 .
It is a cyclic number.
It is not a de Polignac number, because 80227745 - 26 = 80227681 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24251 + ... + 27359.
It is an arithmetic number, because the mean of its divisors is an integer number (6498345).
Almost surely, 280227745 is an apocalyptic number.
It is an amenable number.
80227745 is a deficient number, since it is larger than the sum of its proper divisors (23745775).
80227745 is a wasteful number, since it uses less digits than its factorization.
80227745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3524.
The product of its (nonzero) digits is 31360, while the sum is 35.
The square root of 80227745 is about 8956.9941944829. The cubic root of 80227745 is about 431.2954353865.
The spelling of 80227745 in words is "eighty million, two hundred twenty-seven thousand, seven hundred forty-five".
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