Base | Representation |
---|---|
bin | 1001100100000… |
… | …10000000000101 |
3 | 12120221210222221 |
4 | 10302002000011 |
5 | 131014134021 |
6 | 11543252341 |
7 | 1662615655 |
oct | 462020005 |
9 | 176853887 |
10 | 80224261 |
11 | 41314747 |
12 | 22a4a0b1 |
13 | 1380b4a0 |
14 | a924365 |
15 | 709a241 |
hex | 4c82005 |
80224261 has 4 divisors (see below), whose sum is σ = 86395372. Its totient is φ = 74053152.
The previous prime is 80224223. The next prime is 80224273. The reversal of 80224261 is 16242208.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 54671236 + 25553025 = 7394^2 + 5055^2 .
It is a cyclic number.
It is not a de Polignac number, because 80224261 - 29 = 80223749 is a prime.
It is a super-2 number, since 2×802242612 = 12871864105992242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80224201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3085536 + ... + 3085561.
It is an arithmetic number, because the mean of its divisors is an integer number (21598843).
Almost surely, 280224261 is an apocalyptic number.
It is an amenable number.
80224261 is a deficient number, since it is larger than the sum of its proper divisors (6171111).
80224261 is a wasteful number, since it uses less digits than its factorization.
80224261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6171110.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 80224261 is about 8956.7997074848. The cubic root of 80224261 is about 431.2891920973.
Adding to 80224261 its reverse (16242208), we get a palindrome (96466469).
The spelling of 80224261 in words is "eighty million, two hundred twenty-four thousand, two hundred sixty-one".
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