Base | Representation |
---|---|
bin | 11110110101000000111101 |
3 | 120012120200200 |
4 | 132311000331 |
5 | 4032101334 |
6 | 445114113 |
7 | 125456064 |
oct | 36650075 |
9 | 16176620 |
10 | 8081469 |
11 | 461a800 |
12 | 2858939 |
13 | 189c546 |
14 | 11051db |
15 | a99799 |
hex | 7b503d |
8081469 has 36 divisors (see below), whose sum is σ = 13216476. Its totient is φ = 4752000.
The previous prime is 8081419. The next prime is 8081471. The reversal of 8081469 is 9641808.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 7868025 = 462^2 + 2805^2 .
It is not a de Polignac number, because 8081469 - 29 = 8080957 is a prime.
It is a super-2 number, since 2×80814692 = 130620282395922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8081419) 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 35 ways as a sum of consecutive naturals, for example, 44559 + ... + 44739.
Almost surely, 28081469 is an apocalyptic number.
It is an amenable number.
8081469 is a deficient number, since it is larger than the sum of its proper divisors (5135007).
8081469 is a wasteful number, since it uses less digits than its factorization.
8081469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250 (or 236 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 8081469 is about 2842.7924651652. The cubic root of 8081469 is about 200.6766167012.
The spelling of 8081469 in words is "eight million, eighty-one thousand, four hundred sixty-nine".
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