Base | Representation |
---|---|
bin | 1001101001101… |
… | …11001100010001 |
3 | 12122100112001012 |
4 | 10310313030101 |
5 | 131211411132 |
6 | 12011220305 |
7 | 2002126460 |
oct | 464671421 |
9 | 178315035 |
10 | 80966417 |
11 | 417812a4 |
12 | 23147695 |
13 | 13a0b22c |
14 | aa789d7 |
15 | 71950b2 |
hex | 4d37311 |
80966417 has 24 divisors (see below), whose sum is σ = 99072384. Its totient is φ = 64684224.
The previous prime is 80966411. The next prime is 80966419. The reversal of 80966417 is 71466908.
It is not a de Polignac number, because 80966417 - 210 = 80965393 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80966411) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 975458 + ... + 975540.
It is an arithmetic number, because the mean of its divisors is an integer number (4128016).
Almost surely, 280966417 is an apocalyptic number.
It is an amenable number.
80966417 is a deficient number, since it is larger than the sum of its proper divisors (18105967).
80966417 is an equidigital number, since it uses as much as digits as its factorization.
80966417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 80966417 is about 8998.1340843533. The cubic root of 80966417 is about 432.6150664470.
The spelling of 80966417 in words is "eighty million, nine hundred sixty-six thousand, four hundred seventeen".
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