Base | Representation |
---|---|
bin | 1001100111001… |
… | …00011011110101 |
3 | 12121201022001200 |
4 | 10303210123311 |
5 | 131120034240 |
6 | 12000043113 |
7 | 1666215303 |
oct | 463443365 |
9 | 177638050 |
10 | 80627445 |
11 | 4156a658 |
12 | 23003499 |
13 | 1391cb62 |
14 | a9cb273 |
15 | 7129930 |
hex | 4ce46f5 |
80627445 has 24 divisors (see below), whose sum is σ = 141444576. Its totient is φ = 42481248.
The previous prime is 80627429. The next prime is 80627471. The reversal of 80627445 is 54472608.
It is not a de Polignac number, because 80627445 - 24 = 80627429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7059 + ... + 14528.
It is an arithmetic number, because the mean of its divisors is an integer number (5893524).
Almost surely, 280627445 is an apocalyptic number.
It is an amenable number.
80627445 is a deficient number, since it is larger than the sum of its proper divisors (60817131).
80627445 is a wasteful number, since it uses less digits than its factorization.
80627445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21681 (or 21678 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 80627445 is about 8979.2786458601. The cubic root of 80627445 is about 432.0104967871.
The spelling of 80627445 in words is "eighty million, six hundred twenty-seven thousand, four hundred forty-five".
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